Register: Observed variable - measurand (atmosphere)
stable
URI: http://codes.wmo.int/wmdr/ObservedVariableAtmosphere
Observed variable - measurand (atmosphere)
Contents
| Name | Notation | Description | Types | Status |
|---|---|---|---|---|
| Atmospheric density | 39 | Density of the atmosphere. | Concept | stable |
| Integrated air samples | 44 | Concept | stable | |
| Special phenomena | 56 | Concept | stable | |
| State of ground | 57 | Concept | stable | |
| Cloud amount | 179 | Fraction of the sky covered by clouds of a particular type or... | Concept | stable |
| Cloud cover | 180 | The amount of sky estimated to be covered by a specified clou... | Concept | stable |
| Cloud drop effective radius | 181 | The area weighted mean radius of liquid water drops, assimila... | Concept | stable |
| Cloud hydrometeor concentration | 182 | Concept | stable | |
| Effective radius of cloud hydrometeors | 183 | Concept | stable | |
| Melting layer depth in clouds | 186 | Depth of the atmospheric layer in cloud where liquid-solid st... | Concept | stable |
| PSC occurrence | 188 | Polar Stratospheric Clouds occurrence. - Accuracy expressed a... | Concept | stable |
| CH4 (methane) | 192 | IUPAC: methane, PubChem CID: 297, CAS Number: 74-82-8, in gas... | Concept | stable |
| CH4 (methane, C-13) | 193 | IUPAC: methane C-13, PubChem CID: 105026, CAS Number: 14762-7... | Concept | stable |
| CO2 (carbon dioxide) | 194 | IUPAC: carbon dioxide, PubChem CID: 280, CAS Number: 124-38-9... | Concept | stable |
| CO2 (carbon dioxide, C-13) | 195 | IUPAC: n/a, PubChem CID: 10129882, CAS Number: 1111-72-4, in ... | Concept | stable |
| CO2 [O-18] | 196 | CO2 with O-18 isotope | Concept | stable |
| N2O (nitrous oxide) | 201 | IUPAC: nitrous oxide, PubChem CID: 948, CAS Number: 10024-97-... | Concept | stable |
| SF6 (sulfur hexafluoride) | 203 | IUPAC: hexafluoro-λ6-sulfane, PubChem CID: 17358, CAS Number:... | Concept | stable |
| SO2F2 (sulfuryl fluoride) | 204 | IUPAC: sulfuryl difluoride, PubChem CID: 17607, CAS Number: 2... | Concept | stable |
| H2 (hydrogen molecule) | 205 | IUPAC: molecular hydrogen, PubChem CID: 783, CAS Number: 1333... | Concept | stable |
| H2O (as a chemical species) | 206 | IUPAC: oxidane, PubChem CID: 962, CAS Number: 7732-18-5, in g... | Concept | stable |
| HDO (as a chemical species) | 207 | IUPAC: n/a, PubChem CID: 139859, CAS Number: 14940-63-7, in g... | Concept | stable |
| Amount of precipitation | 210 | Concept | stable | |
| Duration of precipitation | 211 | Concept | stable | |
| Intensity of precipitation | 212 | Concept | stable | |
| Occurrence of precipitation during last period (yes/no) | 213 | Concept | stable | |
| Rate of ice accretion | 214 | Concept | stable | |
| Type of precipitation | 215 | Concept | stable | |
| Atmospheric pressure | 216 | Concept | stable | |
| Characteristic of pressure tendency | 217 | The pressure characteristic is an indication of how the press... | Concept | stable |
| Pressure tendency | 218 | Pressure tendency is the character and amount of atmospheric ... | Concept | stable |
| Beryllium [Be-7] | 219 | IUPAC: beryllium-7, PubChem CID: 6335489, CAS Number: 13966-0... | Concept | stable |
| CO2 [C-14] | 220 | CO2 with C-14 isotope | Concept | stable |
| Krypton [Kr-85] | 221 | IUPAC: krypton-85, PubChem CID: 104816, CAS Number: 13983-27-... | Concept | stable |
| Lead [Pb-210] | 222 | IUPAC: lead-210, PubChem CID: 6328175, CAS Number: 14255-04-0 | Concept | stable |
| Radon [Rn-222] | 223 | IUPAC: radon-222, PubChem CID: 61773, CAS Number: 14859-67-7 | Concept | stable |
| Air temperature (at specified distance from reference surface) | 224 | Concept | stable | |
| Dew-point temperature (at specified distance from reference surface) | 225 | Concept | stable | |
| Extreme temperature (min, max) (at specified distance from reference surface) | 226 | Concept | stable | |
| Runway visual range | 229 | Concept | stable | |
| Visibility | 230 | Concept | stable | |
| Transport calculations (e.g., trajectories) | 248 | Concept | stable | |
| Turbulence | 249 | Kinetic energy density of turbulent motion of the air | Concept | stable |
| Turbulence type (low levels and wake vortex) | 250 | Concept | stable | |
| Integrated water vapour | 252 | Concept | stable | |
| Mass mixing ratio | 253 | Concept | stable | |
| Object wetness duration | 254 | Concept | stable | |
| Water vapour pressure | 255 | Concept | stable | |
| Lightning discharge energy | 257 | Concept | stable | |
| Lightning discharge polarity | 258 | Concept | stable | |
| Lightning discharge rates | 259 | Concept | stable | |
| Lightning discharge type (cloud to cloud, cloud to surface) | 260 | Concept | stable | |
| Past weather | 265 | Predominant characteristic of weather which had existed at th... | Concept | stable |
| Present weather | 266 | Weather existing at the time of observation, or under certain... | Concept | stable |
| Background luminance | 267 | Concept | stable | |
| Sunshine duration | 270 | Concept | stable | |
| Surface albedo | 271 | Concept | stable | |
| UV-B radiation | 273 | Concept | stable | |
| BrO (bromine monoxide) | 274 | IUPAC: n/a, PubChem CID: 5460627, CAS Number: 15656-19-6, in ... | Concept | stable |
| C2Cl4 (tetrachloroethene) | 275 | IUPAC: 1,1,2,2-tetrachloroethene, PubChem CID: 31373, CAS Num... | Concept | stable |
| C2HCl3 (trichloroethene) | 276 | IUPAC: 1,1,2-trichloroethene, PubChem CID: 6575, CAS Number: ... | Concept | stable |
| CH2Br2 (dibromomethane) | 277 | IUPAC: dibromomethane, PubChem CID: 3024, CAS Number: 74-95-3... | Concept | stable |
| CH2Cl2 (dichloromethane) | 278 | IUPAC: dichloromethane, PubChem CID: 6344, CAS Number: 75-09-... | Concept | stable |
| CH3Br (bromomethane) | 279 | IUPAC: bromomethane, PubChem CID: 6323, CAS Number: 74-83-9, ... | Concept | stable |
| CH3Cl (chloromethane) | 280 | IUPAC: chloromethane, PubChem CID: 6327, CAS Number: 74-87-3,... | Concept | stable |
| CH3I (iodomethane) | 281 | IUPAC: iodomethane, PubChem CID: 6328, CAS Number: 74-88-4, i... | Concept | stable |
| CHBr3 (bromoform) | 282 | IUPAC: bromoform, PubChem CID: 5558, CAS Number: 75-25-2, in ... | Concept | stable |
| CHCl3 (trichloromethane, chloroform) | 283 | IUPAC: chloroform, PubChem CID: 6212, CAS Number: 67-66-3, in... | Concept | stable |
| CO | 284 | IUPAC: carbon monoxide, PubChem CID: 281, CAS Number: 630-08-... | Concept | stable |
| COF2 (difluoromethanal, carbonyl fluoride) | 285 | IUPAC: carbonyl difluoride, PubChem CID: 9623, CAS Number: 35... | Concept | stable |
| ClO (chlorine monoxide) | 286 | IUPAC: n/a, PubChem CID: 166686, CAS Number: 14989-30-1, in g... | Concept | stable |
| H2O2 (hydrogen peroxide) | 287 | IUPAC: hydrogen peroxide, PubChem CID: 784, CAS Number: 7722-... | Concept | stable |
| HCl (hydrochloric acid) | 288 | IUPAC: chlorane, PubChem CID: 313, CAS Number: 7647-01-0, in ... | Concept | stable |
| HF (hydrofluoric acid) | 289 | IUPAC: fluorane, PubChem CID: 14917, CAS Number: 7664-39-3, i... | Concept | stable |
| ROOH | 291 | Concept | stable | |
| Acidity-Alkalinity | 294 | Concept | stable | |
| Electric conductivity | 295 | Concept | stable | |
| Hydrogen ion (H+) or pH | 296 | Concept | stable | |
| S (sulfur) | 302 | IUPAC: sulfur, PubChem CID: n/a, CAS Number: 7704-34-9, in to... | Concept | stable |
| Direction of cloud movement | 304 | Concept | stable | |
| Gust Speed | 305 | Concept | stable | |
| Wind (Z component, vertical) | 307 | Z component of wind vector (horizontal and vertical profile) | Concept | stable |
| Upper wind (X, Y components, horizontal) | 310 | Horizontal component of wind as a vector in an orthogonal coo... | Concept | stable |
| Aerosol Absorption Optical Depth | 314 | Vertical column integral of spectral aerosol absorption coeff... | Concept | stable |
| Aerosol Extinction Coefficient | 315 | Spectral volumetric extinction cross-section of aerosol parti... | Concept | stable |
| Particle light absorption coefficient, PM1 | 316 | A measure of light attenuation due to absorption by aerosol p... | Concept | stable |
| Particle light absorption coefficient, PM10 | 317 | A measure of light attenuation due to absorption by aerosol p... | Concept | stable |
| Particle light absorption coefficient, TSP | 318 | A measure of light attenuation due to absorption by aerosol p... | Concept | stable |
| Particle light scattering coefficient, PM1 | 322 | A measure of light attenuation due to absorption by aerosol p... | Concept | stable |
| Particle light scattering coefficient, PM10 | 323 | A measure of light attenuation due to absorption by aerosol p... | Concept | stable |
| Particle light scattering coefficient, TSP | 324 | A measure of light attenuation due to absorption by aerosol p... | Concept | stable |
| Aerosol optical depth, TSP | 325 | The AOD is the effective depth of the aerosol over a specifie... | Concept | stable |
| Cloud ice | 327 | Atmospheric water in the solid phase (precipitating or not). | Concept | stable |
| Cloud ice effective radius | 329 | The area weighted mean radius of ice particles, assimilated t... | Concept | stable |
| Freezing level height in clouds | 330 | Height of the atmospheric layer in cloud where liquid-solid s... | Concept | stable |
| Icing potential | 331 | 3D field of super-cooled liquid water, enabling the formation... | Concept | stable |
| CBrClF2 (Halon 1211) | 332 | IUPAC: bromo-chloro-difluoromethane, PubChem CID: 9625, CAS N... | Concept | stable |
| CBrF3 (bromotrifluoromethane, Halon 1301) | 333 | IUPAC: bromo(trifluoro)methane, PubChem CID: 6384, CAS Number... | Concept | stable |
| C13H10 (9H-fluorene, fluorene), in air | 334 | IUPAC: 9H-fluorene, PubChem CID: 6853, CAS Number: 86-73-7, i... | Concept | stable |
| C14H10 (anthracene), PM10 | 335 | IUPAC: anthracene, PubChem CID: 8418, CAS Number: 120-12-7, i... | Concept | stable |
| C14H10 (anthracene), in aerosol | 336 | IUPAC: anthracene, PubChem CID: 8418, CAS Number: 120-12-7, i... | Concept | stable |
| C14H10 (anthracene), in air and aerosol | 337 | IUPAC: anthracene, PubChem CID: 8418, CAS Number: 120-12-7, i... | Concept | stable |
| C14H10 (anthracene), in air | 338 | IUPAC: anthracene, PubChem CID: 8418, CAS Number: 120-12-7, i... | Concept | stable |
| C14H10 (phenanthrene), PM10 | 339 | IUPAC: phenanthrene, PubChem CID: 995, CAS Number: 85-01-8, i... | Concept | stable |
| C14H10 (phenanthrene), in aerosol | 340 | IUPAC: phenanthrene, PubChem CID: 995, CAS Number: 85-01-8, i... | Concept | stable |
| C14H10 (phenanthrene), in air | 341 | IUPAC: phenanthrene, PubChem CID: 995, CAS Number: 85-01-8, i... | Concept | stable |
| C14H10 (phenanthrene), in air and aerosol | 342 | IUPAC: phenanthrene, PubChem CID: 995, CAS Number: 85-01-8, i... | Concept | stable |
| C14H10 (phenanthrene), in wet deposition | 343 | IUPAC: phenanthrene, PubChem CID: 995, CAS Number: 85-01-8, i... | Concept | stable |
| C14H10 (phenanthrene), in total precipitation | 344 | IUPAC: phenanthrene, PubChem CID: 995, CAS Number: 85-01-8, i... | Concept | stable |
| C16H10 (pyrene), in air and aerosol | 345 | IUPAC: pyrene, PubChem CID: 31423, CAS Number: 129-00-0, in a... | Concept | stable |
| C18H12 (Benz(a)anthracene), PM10 | 346 | IUPAC: benzo[a]anthracene, PubChem CID: 5954, CAS Number: 56-... | Concept | stable |
| C18H12 (Benz(a)anthracene), in aerosol | 347 | IUPAC: benzo[a]anthracene, PubChem CID: 5954, CAS Number: 56-... | Concept | stable |
| C18H12 (Benz(a)anthracene), in air | 348 | IUPAC: benzo[a]anthracene, PubChem CID: 5954, CAS Number: 56-... | Concept | stable |
| C18H12 (Benz(a)anthracene), in air and aerosol | 349 | IUPAC: benzo[a]anthracene, PubChem CID: 5954, CAS Number: 56-... | Concept | stable |
| C18H12 (Benz(a)anthracene), in precipitation | 350 | IUPAC: benzo[a]anthracene, PubChem CID: 5954, CAS Number: 56-... | Concept | stable |
| C18H12 (Benz(a)anthracene), in total precipitation | 351 | IUPAC: benzo[a]anthracene, PubChem CID: 5954, CAS Number: 56-... | Concept | stable |
| UV Broadband | 356 | Concept | stable | |
| UV Erythemally weighted | 357 | Concept | stable | |
| UV Multiband | 358 | Concept | stable | |
| UV Spectral | 359 | Concept | stable | |
| Aerosol column burden (mass density) | 361 | 2D field of the column burden of condensed particles in the a... | Concept | stable |
| Particle effective radius | 362 | The area weighted mean radius of the aerosol particles. | Concept | stable |
| Particle mass concentration, PM10 | 364 | Mass of particles per unit volume of air, size range: PM10 | Concept | stable |
| Particle mass concentration, PM1 | 365 | Mass of particles per unit volume of air, size range: PM1 | Concept | stable |
| Particle mass concentration, PM2.5 | 366 | Mass of particles per unit volume of air, size range: PM2.5 | Concept | stable |
| Particle mass concentration (size fractionated) | 367 | Mass of particles per unit volume of air, size fractionated | Concept | stable |
| Particle mass concentration, TSP | 368 | Mass of particles per unit volume of air, size range: TSP | Concept | stable |
| Particle number concentration | 369 | Amount of particles per unit volume of air | Concept | stable |
| Particle number size distribution, PM10 | 370 | Particle number concentration as a function of size, typicall... | Concept | stable |
| Particle number size distribution, TSP | 371 | Particle number concentration as a function of size, typicall... | Concept | stable |
| Cloud liquid water (CLW) | 373 | Atmospheric water in the liquid phase (precipitating or not). | Concept | stable |
| C12H8Cl6 (aldrin), in aerosol | 375 | IUPAC: (1R,4S,4aS,5S,8R,8aR)-1,2,3,4,10,10-Hexachloro-1,4,4a,... | Concept | stable |
| C12H8Cl6 (aldrin), in air | 376 | IUPAC: (1R,4S,4aS,5S,8R,8aR)-1,2,3,4,10,10-Hexachloro-1,4,4a,... | Concept | stable |
| C12H8Cl6 (aldrin), in air and aerosol | 377 | IUPAC: (1R,4S,4aS,5S,8R,8aR)-1,2,3,4,10,10-Hexachloro-1,4,4a,... | Concept | stable |
| C12H8Cl6 (aldrin), in total precipitation | 378 | IUPAC: (1R,4S,4aS,5S,8R,8aR)-1,2,3,4,10,10-Hexachloro-1,4,4a,... | Concept | stable |
| C12H8Cl6 (aldrin), in wet precipitation | 379 | IUPAC: (1R,4S,4aS,5S,8R,8aR)-1,2,3,4,10,10-Hexachloro-1,4,4a,... | Concept | stable |
| C6Cl6 (hexachlorobenzene, HCB), in air | 380 | IUPAC: 1,2,3,4,5,6-hexachlorobenzene, PubChem CID: 8370, CAS ... | Concept | stable |
| C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, alpha-lindane, alpha-HCH), in aerosol | 381 | IUPAC: 1,2,3,4,5,6-hexachlorocyclohexane, PubChem CID: 727, C... | Concept | stable |
| C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, alpha-lindane, alpha-HCH), in air | 382 | IUPAC: 1,2,3,4,5,6-hexachlorocyclohexane, PubChem CID: 727, C... | Concept | stable |
| C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, alpha-lindane, alpha-HCH), in wet precipitation | 383 | IUPAC: 1,2,3,4,5,6-hexachlorocyclohexane, PubChem CID: 727, C... | Concept | stable |
| C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, gamma-lindane, gamma-HCH), in air | 384 | IUPAC: 1,2,3,4,5,6-hexachlorocyclohexane, PubChem CID: 727, C... | Concept | stable |
| C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, gamma-lindane, gamma-HCH), in wet precipitation | 385 | IUPAC: 1,2,3,4,5,6-hexachlorocyclohexane, PubChem CID: 727, C... | Concept | stable |
| NH3 (Ammonia) | 390 | IUPAC: azane, PubChem CID: 222, CAS Number: 7664-41-7, in gas... | Concept | stable |
| C2H3O5N (peroxyacetylnitrate, PAN) | 391 | IUPAC: nitro ethaneperoxoate, PubChem CID: 16782, CAS Number:... | Concept | stable |
| ClONO2 (chlorine nitrate) | 392 | IUPAC: chloro nitrate, PubChem CID: 114934, CAS Number: 14545... | Concept | stable |
| HCN (formonitrile, hydrogen cyanide) | 393 | IUPAC: formonitrile, PubChem CID: 768, CAS Number: 74-90-8, i... | Concept | stable |
| HNO3 (nitric acid) | 394 | IUPAC: nitric acid, PubChem CID: 944, CAS Number: 7697-37-2, ... | Concept | stable |
| NO (nitrogen monoxide) | 395 | IUPAC: nitric oxide, PubChem CID: 145068, CAS Number: 10102-4... | Concept | stable |
| NO2 (nitrogen dioxide) | 396 | IUPAC: n/a, PubChem CID: 3032552, CAS Number: 10102-44-0, in ... | Concept | stable |
| NOx | 397 | Concept | stable | |
| NOy | 398 | Concept | stable | |
| CCN concentration at single supersaturation | 411 | Concept | stable | |
| CCN concentration spectra | 412 | Concept | stable | |
| Hygroscopic growth factor, 110 μm equivalent | 413 | Concept | stable | |
| Hygroscopic growth factor, 165 μm equivalent | 414 | Concept | stable | |
| Hygroscopic growth factor, 35 μm equivalent | 415 | Concept | stable | |
| Hygroscopic growth factor, 50 μm equivalent | 416 | Concept | stable | |
| Hygroscopic growth factor, 75 μm equivalent | 417 | Concept | stable | |
| Hygroscopic growth factor, total aerosol | 418 | Concept | stable | |
| C2F6 (hexafluoroethane, PFC-116) | 419 | IUPAC: 1,1,1,2,2,2-hexafluoroethane, PubChem CID: 6431, CAS N... | Concept | stable |
| C3F8 (octafluoropropane, PFC-218) | 420 | IUPAC: 1,1,1,2,2,3,3,3-octafluoropropane, PubChem CID: 6432, ... | Concept | stable |
| CF4 (tetrafluoromethane, carbon tetrafluoride, perfluoromethane, PFC-14) | 421 | IUPAC: tetrafluoromethane, PubChem CID: 6393, CAS Number: 75-... | Concept | stable |
| COS (OCS, carbon oxide sulfide, carbonyl sulfide) | 428 | IUPAC: carbonyl sulfide, PubChem CID: 10039, CAS Number: 463-... | Concept | stable |
| CS2 (Carbon disulfide) | 429 | IUPAC: methanedithione, PubChem CID: 6348, CAS Number: 75-15-... | Concept | stable |
| SO2 | 430 | IUPAC: sulfur dioxide, PubChem CID: 1119, CAS Number: 7446 09... | Concept | stable |
| Lightning detection (time and location) | 431 | Detection of the time and location (latitude, longitude) of l... | Concept | stable |
| Lightning direction from station | 432 | Concept | stable | |
| Lightning distance from station | 433 | Concept | stable | |
| C2H2 (ethyne, acetylene) | 434 | IUPAC: acetylene, PubChem CID: 6326, CAS Number: 74-86-2, in ... | Concept | stable |
| C2H2O2 (oxaldehyde, ethanedial) | 435 | IUPAC: oxaldehyde, PubChem CID: 7860, CAS Number: 107-22-2, i... | Concept | stable |
| C2H4 (ethene) | 436 | IUPAC: ethene, PubChem CID: 6325, CAS Number: 74-85-1, in gas... | Concept | stable |
| C2H6 (ethane) | 437 | IUPAC: ethane, PubChem CID: 6324, CAS Number: 74-84-0, in gas... | Concept | stable |
| C2H6S (dimethylsulfide, DMS) | 438 | IUPAC: methylsulfanylmethane, PubChem CID: 1068, CAS Number: ... | Concept | stable |
| C3H4 (propyne) | 439 | IUPAC: prop-1-yne, PubChem CID: 6335, CAS Number: 74-99-7, in... | Concept | stable |
| C3H4O (prop-2-enal, acrolein) | 440 | IUPAC: prop-2-enal, PubChem CID: 7847, CAS Number: 107-02-8, ... | Concept | stable |
| C3H4O2 (2-oxopropanal, methylglyoxal) | 441 | IUPAC: 2-oxopropanal, PubChem CID: 880, CAS Number: 78-98-8, ... | Concept | stable |
| C3H6 (propene) | 442 | IUPAC: prop-1-ene, PubChem CID: 8252, CAS Number: 115-07-1, i... | Concept | stable |
| C3H6O (acetone, propanone) | 443 | IUPAC: propan-2-one, PubChem CID: 180, CAS Number: 67-64-1, i... | Concept | stable |
| C3H6O (propanal) | 444 | IUPAC: propanal, PubChem CID: 527, CAS Number: 123-38-6, in g... | Concept | stable |
| C3H8 (propane) | 445 | IUPAC: propane, PubChem CID: 6334, CAS Number: 74-98-6, in ga... | Concept | stable |
| C4H6 (1,3-butadiene, butadiene) | 446 | IUPAC: buta-1,3-diene, PubChem CID: 7845, CAS Number: 106-99-... | Concept | stable |
| C4H6O (2-methylprop-2-enal, methacrolein) | 447 | IUPAC: 2-methylprop-2-enal, PubChem CID: 6562, CAS Number: 78... | Concept | stable |
| C4H6O (but-3-en-2-one, methylvinylketone) | 448 | IUPAC: but-3-en-2-one, PubChem CID: 6570, CAS Number: 78-94-4... | Concept | stable |
| C4H8 (1-butene) | 449 | IUPAC: but-1-ene, PubChem CID: 7844, CAS Number: 106-98-9, in... | Concept | stable |
| C4H8 (sum of butenes) | 450 | Concept | stable | |
| C4H8O (butan-2-one, methylethylketone) | 451 | IUPAC: butan-2-one, PubChem CID: 6569, CAS Number: 78-93-3, i... | Concept | stable |
| C4H8O (butanal isomers) | 452 | Concept | stable | |
| C5H10 (1-pentene) | 453 | IUPAC: pent-1-ene, PubChem CID: 8004, CAS Number: 109-67-1, i... | Concept | stable |
| C5H10 (2-methyl-1-butene) | 454 | IUPAC: 2-methylbut-1-ene, PubChem CID: 11240, CAS Number: 563... | Concept | stable |
| C5H10 (2-methyl-2-butene) | 455 | IUPAC: 2-methylbut-2-ene, PubChem CID: 10553, CAS Number: 513... | Concept | stable |
| C5H10 (3-methyl-1-butene) | 456 | IUPAC: 3-methylbut-1-ene, PubChem CID: 11239, CAS Number: 563... | Concept | stable |
| C5H10 (cyclopentane) | 457 | IUPAC: cyclopentane, PubChem CID: 9253, CAS Number: 287-92-3,... | Concept | stable |
| C5H10 (sum of 1-pentene and 2-methyl-2-butene) | 458 | Concept | stable | |
| C5H10 (sum of pentenes) | 459 | Concept | stable | |
| C5H10O (pentanal, valeraldehyde) | 460 | IUPAC: pentanal, PubChem CID: 8063, CAS Number: 110-62-3, in ... | Concept | stable |
| C5H12 & C4H8 (sum of 2,2-dimethylpropane & c-2-butene) | 461 | Concept | stable | |
| C5H12 (2,2-dimethylpropane) | 462 | IUPAC: 2,2-dimethylpropane, PubChem CID: 10041, CAS Number: 4... | Concept | stable |
| C5H14 (2,3-dimethylbutane) | 463 | IUPAC: 2,3-dimethylbutane, PubChem CID: 6589, CAS Number: 79-... | Concept | stable |
| C5H8 (2-methyl-1,3-butadiene, isoprene) | 464 | IUPAC: 2-methylbuta-1,3-diene, PubChem CID: 6557, CAS Number:... | Concept | stable |
| C5H8 (cyclopentene) | 465 | IUPAC: cyclopentene, PubChem CID: 8882, CAS Number: 142-29-0,... | Concept | stable |
| C5Hn, n=10 (sum of 3-methyl-1-butene and cyclopentene) | 466 | Sum of 3-methyl-1-butene and cyclopentane, in gas phase | Concept | stable |
| C5Hn, n={12, 10} (sum of n-pentane and cyclopentane) | 467 | Sum of n-pentane and cyclopentane, in gas phase | Concept | stable |
| C6H12 (cyclohexane) | 468 | IUPAC: cyclohexane, PubChem CID: 8078, CAS Number: 110-82-7, ... | Concept | stable |
| C6H12 (methylcyclopentane) | 469 | IUPAC: methylcyclopentane, PubChem CID: 7296, CAS Number: 96-... | Concept | stable |
| C6H12O (hexanal isomers) | 470 | Concept | stable | |
| C6H14 (2,2-dimethylbutane) | 471 | Concept | stable | |
| C6H14 (2-methylpentane) | 472 | IUPAC: 2-methylpentane, PubChem CID: 7892, CAS Number: 107-83... | Concept | stable |
| C6H14 (3-methylpentane) | 473 | IUPAC: 3-methylpentane, PubChem CID: 7282, CAS Number: 96-14-... | Concept | stable |
| C6H14 (n-hexane) | 474 | IUPAC: hexane, PubChem CID: 8058, CAS Number: 110-54-3, in ga... | Concept | stable |
| C6H14 (sum of methylpentanes) | 475 | Concept | stable | |
| C6H6 (benzene) | 476 | IUPAC: benzene, PubChem CID: 241, CAS Number: 71-43-2, in gas... | Concept | stable |
| C6Hn, n={14, 12} (sum of 3-methylpentane and cyclohexane) | 477 | sum of 3-methylpentane and cyclohexane, in gas phase | Concept | stable |
| C6Hn, n={14, 12} (sum of 2,2-dimethylbutane and methylcyclopentane) | 478 | sum of 2,2-dimethylbutane and methylcyclopentane, in gas phas... | Concept | stable |
| C6Hn, n={14, 12} (sum of 2,3-dimethylbutane and methylcyclopentane) | 479 | sum of 2,3-dimethylbutane and methylcyclopentane, in gas phas... | Concept | stable |
| C7H16 (sum of methylhexanes) | 480 | Concept | stable | |
| C7H6O (benzene carbaldehyde) | 481 | Concept | stable | |
| C7H8 (toluene) | 482 | IUPAC: toluene, PubChem CID: 1140, CAS Number: 108-88-3, in g... | Concept | stable |
| C8H10 (ethylbenzene) | 483 | IUPAC: ethylbenzene, PubChem CID: 7500, CAS Number: 100-41-4,... | Concept | stable |
| C8H10 (m-xylene) | 484 | IUPAC: 1,3-xylene, PubChem CID: 7929, CAS Number: 108-38-3, i... | Concept | stable |
| C8H10 (o-xylene) | 485 | IUPAC: 1,2-xylene, PubChem CID: 7237, CAS Number: 95-47-6, in... | Concept | stable |
| C8H10 (Sum of p-xylene and m-xylene, 1,3- and 1,4-dimethylbenzene) | 486 | Concept | stable | |
| C9H12 (1,2,4-trimethylbenzene) | 487 | IUPAC: 1,2,4-trimethylbenzene, PubChem CID: 7247, CAS Number:... | Concept | stable |
| C9H12 (1,3,5-trimethylbenzene) | 488 | IUPAC: 1,3,5-trimethylbenzene, PubChem CID: 7947, CAS Number:... | Concept | stable |
| CH2O (methanal, formaldehyde) | 489 | IUPAC: formaldehyde, PubChem CID: 712, CAS Number: 50-00-0, i... | Concept | stable |
| CH3CH2OH (ethanol) | 490 | IUPAC: ethanol, PubChem CID: 702, CAS Number: 64-17-5, in gas... | Concept | stable |
| CH3CHO (acetaldehyde, ethanal) | 491 | IUPAC: acetaldehyde, PubChem CID: 177, CAS Number: 75-07-0, i... | Concept | stable |
| CH3CN (acetonitrile) | 492 | IUPAC: acetonitrile, PubChem CID: 6342, CAS Number: 75-05-8, ... | Concept | stable |
| CH3OH (methanol) | 493 | IUPAC: methanol, PubChem CID: 887, CAS Number: 67-56-1, in ga... | Concept | stable |
| NMHC | 494 | Concept | stable | |
| c-C4H8 (cis-2-butene) | 495 | IUPAC: (Z)-but-2-ene, PubChem CID: 5287573, CAS Number: 590-1... | Concept | stable |
| c-C5H10 (cis-2-pentene) | 496 | IUPAC: (Z)-pent-2-ene, PubChem CID: 5326160, CAS Number: 627-... | Concept | stable |
| i-C4H10 (2-methylpropane, iso-butane) | 497 | IUPAC: 2-methylpropane, PubChem CID: 6360, CAS Number: 75-28-... | Concept | stable |
| i-C4H8 (2-methylpropene, iso-butene) | 498 | IUPAC: 2-methylprop-1-ene, PubChem CID: 8255, CAS Number: 115... | Concept | stable |
| i-C5H12 (2-methylbutane, iso-pentane) | 499 | IUPAC: 2-methylbutane, PubChem CID: 6556, CAS Number: 78-78-4... | Concept | stable |
| i-C7H16 (2-methylhexane, isoheptane) | 500 | IUPAC: 2-methylhexane, PubChem CID: 11582, CAS Number: 591-76... | Concept | stable |
| n-C4H10 (n-butane) | 501 | IUPAC: butane, PubChem CID: 7843, CAS Number: 106-97-8, in ga... | Concept | stable |
| n-C5H12 (n-pentane) | 502 | IUPAC: pentane, PubChem CID: 8003, CAS Number: 109-66-0, in g... | Concept | stable |
| n-C7H16 (n-heptane) | 503 | IUPAC: heptane, PubChem CID: 8900, CAS Number: 142-82-5, in g... | Concept | stable |
| t-C4H8 (trans-2-butene) | 504 | IUPAC: (E)-but-2-ene, PubChem CID: 62695, CAS Number: 107-01-... | Concept | stable |
| t-C5H10 (trans-2-pentene) | 505 | IUPAC: (E)-pent-2-ene, PubChem CID: 5326161, CAS Number: 109-... | Concept | stable |
| Cloud optical depth | 506 | Effective depth (thickness) of a cloud from the viewpoint of ... | Concept | stable |
| Optical depth of fog | 507 | Concept | stable | |
| Optical depth within each cloud layer | 508 | Concept | stable | |
| Short-wave cloud reflectance | 509 | Reflectance of the solar radiation from clouds | Concept | stable |
| Extinction coefficient | 521 | Concept | stable | |
| Hydrometeor radius | 522 | Concept | stable | |
| Hydrometeor type | 523 | Concept | stable | |
| Lithometeor type | 524 | Concept | stable | |
| Meteorological Optical Range | 525 | Concept | stable | |
| Obscuration type | 526 | Concept | stable | |
| Strong acids | 529 | Concept | stable | |
| Cloud base height | 531 | For surface observations, height of the cloud base above grou... | Concept | stable |
| Cloud top height | 532 | Height of the top of the cloud (highest cloud in case of mult... | Concept | stable |
| Height of inversion | 533 | Concept | stable | |
| C2H3Cl2F (1,1-dichloro-1-fluoroethane, HCFC-141b) | 534 | IUPAC: 1,1-dichloro-1-fluoroethane, PubChem CID: 15586, CAS N... | Concept | stable |
| C2H3ClF2 (1-chloro-1,1-difluoroethane, HCFC-142b) | 535 | IUPAC: 1-chloro-1,1-difluoroethane, PubChem CID: 6388, CAS Nu... | Concept | stable |
| C2H3F3 (1,1,1-trifluoroethane, HFC-143a) | 536 | IUPAC: 1,1,1-trifluoroethane, PubChem CID: 9868, CAS Number: ... | Concept | stable |
| CHClF2 (chlorodifluoromethane, HCFC-22) | 537 | IUPAC: chloro(difluoro)methane, PubChem CID: 6372, CAS Number... | Concept | stable |
| Br- (bromide) | 538 | IUPAC: bromide, PubChem CID: 259, CAS Number: 24959-67-9, in ... | Concept | stable |
| Cl- (chloride) | 539 | IUPAC: chloride, PubChem CID: 312, CAS Number: 16887-00-6, in... | Concept | stable |
| F- (fluoride) | 540 | IUPAC: fluoride, PubChem CID: 28179, CAS Number: 16984-48-8, ... | Concept | stable |
| I- (iodide) | 541 | IUPAC: iodide, PubChem CID: 30165, CAS Number: 20461-54-5, in... | Concept | stable |
| PO4--- (phosphate) | 542 | IUPAC: phosphate, PubChem CID: 1061, CAS Number: 14265-44-2, ... | Concept | stable |
| SO4= (sulfate), corrected | 543 | IUPAC: sulfate, PubChem CID: 1117, CAS Number: 14808-79-8, in... | Concept | stable |
| SO4= (sulfate) | 544 | IUPAC: sulfate, PubChem CID: 1117, CAS Number: 14808-79-8, in... | Concept | stable |
| Ca++ (calcium) | 545 | IUPAC: calcium(2+), PubChem CID: 271, CAS Number: 14127-61-8,... | Concept | stable |
| Mg++ (magnesium) | 546 | IUPAC: magnesium(2+), PubChem CID: 888, CAS Number: 22537-22-... | Concept | stable |
| K+ (potassium) | 547 | IUPAC: potassium(1+), PubChem CID: 813, CAS Number: 24203-36-... | Concept | stable |
| Na+ (sodium) | 548 | IUPAC: sodium(1+), PubChem CID: 923, CAS Number: 17341-25-2, ... | Concept | stable |
| Type of cloud | 550 | Result of cloud type classification - Accuracy expressed as i... | Concept | stable |
| Type of high clouds | 551 | Type of clouds of genera Cirrus, Cirrocumulus, or Cirrostratu... | Concept | stable |
| Type of low clouds | 552 | Type of clouds of genera Stratus, Stratocumulus, Cumulus, or ... | Concept | stable |
| Type of middle clouds | 553 | Type of clouds of genera Altocumulus, Altostratus, or Nimbost... | Concept | stable |
| C2H2F4 (1,1,1,2-tetrafluoroethane, HFC-134a) | 554 | IUPAC: 1,1,1,2-tetrafluoroethane, PubChem CID: 13129, CAS Num... | Concept | stable |
| C2H4F2 (1,1-difluoroethane, HFC-152a) | 555 | IUPAC: 1,1-difluoroethane, PubChem CID: 6368, CAS Number: 75-... | Concept | stable |
| C2HF5 (pentafluoroethane, HFC-125) | 556 | IUPAC: 1,1,1,2,2-pentafluoroethane, PubChem CID: 9633, CAS Nu... | Concept | stable |
| C3H2F6 (1,1,1,2,3,3-hexafluoropropane, HFC-236ea) | 557 | IUPAC: 1,1,1,2,3,3-hexafluoropropane, PubChem CID: 79009, CAS... | Concept | stable |
| C3H3F5 (1,1,1,3,3-Pentafluoropropane, HFC-245fa) | 558 | IUPAC: 1,1,1,3,3-pentafluoropropane, PubChem CID: 68030, CAS ... | Concept | stable |
| C3HF7 (1,1,1,2,3,3,3-Heptafluoropropane, HFC-227ea) | 559 | IUPAC: 1,1,1,2,3,3,3-heptafluoropropane, PubChem CID: 67940, ... | Concept | stable |
| C4H5F5 (1,1,1,3,3-pentafluorobutane, HFC-365mfc) | 560 | IUPAC: 1,1,1,3,3-pentafluorobutane, PubChem CID: 67884, CAS N... | Concept | stable |
| CH2F2 (difluoromethane, HFC-32) | 561 | IUPAC: difluoromethane, PubChem CID: 6345, CAS Number: 75-10-... | Concept | stable |
| CHF3 (trifluoromethane, HFC-23) | 562 | IUPAC: fluoroform, PubChem CID: 6373, CAS Number: 75-46-7, in... | Concept | stable |
| Long-wave radiation (direction unspecified) | 565 | Concept | stable | |
| Long-wave radiation (downwelling) | 566 | Concept | stable | |
| Long-wave radiation (upwelling) | 567 | Concept | stable | |
| NH4+ (ammonium) | 568 | IUPAC: azanium, PubChem CID: 223, CAS Number: 14798-03-9, in ... | Concept | stable |
| NO3- (nitrate) | 569 | IUPAC: nitrate, PubChem CID: 943, CAS Number: 14797-55-8, in ... | Concept | stable |
| NO2- (nitrite) | 570 | IUPAC: nitrite, PubChem CID: 946, CAS Number: 14797-65-0, in ... | Concept | stable |
| Diffuse solar radiation | 571 | Concept | stable | |
| Direct solar radiation | 572 | Concept | stable | |
| Global solar radiation (downwelling) | 573 | Concept | stable | |
| Global solar radiation (upwelling) | 574 | Concept | stable | |
| CH3COO- (acetate) | 576 | IUPAC: acetate, PubChem CID: 175, CAS Number: 71-50-1, in tot... | Concept | stable |
| HCOO- (formate) | 577 | IUPAC: formate, PubChem CID: 283, CAS Number: 71-47-6, in tot... | Concept | stable |
| C2H5COO- (propionate) | 578 | IUPAC: propanoate, PubChem CID: 104745, CAS Number: 72-03-7, ... | Concept | stable |
| Acidity-Alkalinity, TSP | 579 | Concept | stable | |
| C2Cl2F4 (1,2-dichlorotetrafluoroethane, CFC-114) | 589 | IUPAC: 1,2-dichloro-1,1,2,2-tetrafluoroethane, PubChem CID: 6... | Concept | stable |
| C2Cl3F3 (1,1,2-trichloro-1,2,2-trifluoroethane, CFC-113) | 590 | IUPAC: 1,1,2-trichloro-1,2,2-trifluoroethane, PubChem CID: 64... | Concept | stable |
| C2ClF5 (1-chloro-1,1,2,2,2-pentafluoroethane, CFC-115) | 591 | IUPAC: 1-chloro-1,1,2,2,2-pentafluoroethane, PubChem CID: 643... | Concept | stable |
| CCl2F2 (dichlorodifluoromethane, CFC-12) | 592 | IUPAC: dichloro(difluoro)methane, PubChem CID: 6391, CAS Numb... | Concept | stable |
| CCl3F (trichlorofluoromethane, CFC-11) | 593 | IUPAC: trichloro(fluoro)methane, PubChem CID: 6389, CAS Numbe... | Concept | stable |
| CCl4 (tetrachloromethane, carbon tetrachloride) | 594 | IUPAC: tetrachloromethane, PubChem CID: 5943, CAS Number: 56-... | Concept | stable |
| CH3CCl3 (1,1,1-trichloroethane, methyl chloroform) | 595 | IUPAC: 1,1,1-trichloroethane, PubChem CID: 6278, CAS Number: ... | Concept | stable |
| Al (aluminium) | 597 | IUPAC: aluminium, PubChem CID: 5359268, CAS Number: 7429-90-5... | Concept | stable |
| As (arsenic) | 598 | IUPAC: arsenic, PubChem CID: 5359596, CAS Number: 7440-38-2, ... | Concept | stable |
| Cd (cadmium) | 599 | IUPAC: cadmium, PubChem CID: 23973, CAS Number: 7440-43-9, in... | Concept | stable |
| Cr (chromium) | 600 | IUPAC: chromium, PubChem CID: 23976, CAS Number: 7440-47-3, i... | Concept | stable |
| Co (cobalt) | 601 | IUPAC: cobalt, PubChem CID: 104730, CAS Number: 7440-48-4, in... | Concept | stable |
| Cu (copper) | 602 | IUPAC: copper, PubChem CID: 23978, CAS Number: 7440-50-8, in ... | Concept | stable |
| Fe (iron) | 603 | IUPAC: iron, PubChem CID: 23925, CAS Number: 7439-89-6, in to... | Concept | stable |
| Pb (lead) | 604 | IUPAC: lead, PubChem CID: 5352425, CAS Number: 7439-92-1, in ... | Concept | stable |
| Mn (manganese) | 605 | IUPAC: manganese, PubChem CID: 23930, CAS Number: 7439-96-5, ... | Concept | stable |
| Hg (mercury) | 606 | IUPAC: mercury, PubChem CID: 23931, CAS Number: 7439-97-6, in... | Concept | stable |
| Ni (nickel) | 607 | IUPAC: nickel, PubChem CID: 936, CAS Number: 7440-02-1, in to... | Concept | stable |
| V (vanadium) | 608 | IUPAC: vanadium, PubChem CID: 23990, CAS Number: 7440-62-2, i... | Concept | stable |
| Zn (zinc) | 609 | IUPAC: zinc, PubChem CID: 23994, CAS Number: 7440-66-6, in to... | Concept | stable |
| Cl- (chloride), PM1 | 614 | IUPAC: chloride, PubChem CID: 312, CAS Number: 16887-00-6, in... | Concept | stable |
| Cl- (chloride), PM10 | 615 | IUPAC: chloride, PubChem CID: 312, CAS Number: 16887-00-6, in... | Concept | stable |
| Cl- (chloride), PM2.5 | 616 | IUPAC: chloride, PubChem CID: 312, CAS Number: 16887-00-6, in... | Concept | stable |
| Cl- (chloride), TSP | 617 | IUPAC: chloride, PubChem CID: 312, CAS Number: 16887-00-6, in... | Concept | stable |
| F- (fluoride), TSP | 618 | IUPAC: fluoride, PubChem CID: 28179, CAS Number: 16984-48-8, ... | Concept | stable |
| SO4= (sulfate), corrected | 619 | IUPAC: sulfate, PubChem CID: 1117, CAS Number: 14808-79-8, in... | Concept | stable |
| SO4= (sulfate), TSP | 620 | IUPAC: sulfate, PubChem CID: 1117, CAS Number: 14808-79-8, in... | Concept | stable |
| SO4= (sulfate), PM10 | 621 | IUPAC: sulfate, PubChem CID: 1117, CAS Number: 14808-79-8, in... | Concept | stable |
| SO4= (sulfate), PM2.5 | 622 | IUPAC: sulfate, PubChem CID: 1117, CAS Number: 14808-79-8, in... | Concept | stable |
| Elemental carbon, PM10 | 623 | Carbonaceous fraction of particulate matter that is thermally... | Concept | stable |
| Elemental carbon, PM1 | 624 | Carbonaceous fraction of particulate matter that is thermally... | Concept | stable |
| Elemental carbon, PM2.5 | 625 | Carbonaceous fraction of particulate matter that is thermally... | Concept | stable |
| Total carbon, PM10 | 626 | Sum of elemental and organic carbon. Includes inorganic carbo... | Concept | stable |
| Ca++ (calcium), PM10 | 632 | IUPAC: calcium(2+), PubChem CID: 271, CAS Number: 14127-61-8,... | Concept | stable |
| Ca++ (calcium), PM2.5 | 633 | IUPAC: calcium(2+), PubChem CID: 271, CAS Number: 14127-61-8,... | Concept | stable |
| Ca++ (calcium), TSP | 634 | IUPAC: calcium(2+), PubChem CID: 271, CAS Number: 14127-61-8,... | Concept | stable |
| Mg++ (magnesium), PM10 | 635 | IUPAC: magnesium(2+), PubChem CID: 888, CAS Number: 22537-22-... | Concept | stable |
| Mg++ (magnesium), PM2.5 | 636 | IUPAC: magnesium(2+), PubChem CID: 888, CAS Number: 22537-22-... | Concept | stable |
| Mg++ (magnesium), TSP | 637 | IUPAC: magnesium(2+), PubChem CID: 888, CAS Number: 22537-22-... | Concept | stable |
| K+ (potassium), PM10 | 638 | IUPAC: potassium(1+), PubChem CID: 813, CAS Number: 24203-36-... | Concept | stable |
| K+ (potassium), PM2.5 | 639 | IUPAC: potassium(1+), PubChem CID: 813, CAS Number: 24203-36-... | Concept | stable |
| K+ (potassium), TSP | 640 | IUPAC: potassium(1+), PubChem CID: 813, CAS Number: 24203-36-... | Concept | stable |
| Na+ (sodium), PM10 | 641 | IUPAC: sodium(1+), PubChem CID: 923, CAS Number: 17341-25-2, ... | Concept | stable |
| Na+ (sodium), PM2.5 | 642 | IUPAC: sodium(1+), PubChem CID: 923, CAS Number: 17341-25-2, ... | Concept | stable |
| Na+ (sodium), TSP | 643 | IUPAC: sodium(1+), PubChem CID: 923, CAS Number: 17341-25-2, ... | Concept | stable |
| NH3 (ammonia), PM2.5 | 644 | IUPAC: azane, PubChem CID: 222, CAS Number: 7664-41-7, in par... | Concept | stable |
| NH4+ (ammonium), PM10 | 645 | IUPAC: azanium, PubChem CID: 223, CAS Number: 14798-03-9, in ... | Concept | stable |
| NH4+ (ammonia), PM2.5 | 646 | IUPAC: azanium, PubChem CID: 223, CAS Number: 14798-03-9, in ... | Concept | stable |
| NH4+ (ammonium), TSP | 647 | IUPAC: azanium, PubChem CID: 223, CAS Number: 14798-03-9, in ... | Concept | stable |
| NH4NO4 (ammonium nitrate), TSP | 648 | IUPAC: ammonium nitrate, PubChem CID: 22985, CAS Number: 6484... | Concept | stable |
| NH4NO3 (ammonium nitrate), PM1 | 649 | IUPAC: ammonium nitrate, PubChem CID: 22985, CAS Number: 6484... | Concept | stable |
| NO3- (nitrate), PM10 | 650 | IUPAC: nitrate, PubChem CID: 943, CAS Number: 14797-55-8, in ... | Concept | stable |
| NO3- (nitrate), PM2.5 | 651 | IUPAC: nitrate, PubChem CID: 943, CAS Number: 14797-55-8, in ... | Concept | stable |
| NO3- (nitrate), TSP | 652 | IUPAC: nitrate, PubChem CID: 943, CAS Number: 14797-55-8, in ... | Concept | stable |
| NO2- (nitrite), TSP | 653 | IUPAC: nitrite, PubChem CID: 946, CAS Number: 14797-65-0, in ... | Concept | stable |
| Sum of NH3 (ammonia) and NH4+ (ammonium) | 654 | Sum of NH3 (ammonia) and NH4+ (ammonium) | Concept | stable |
| Sum of HNO3 (nitric acid) and NO3- (nitrate) | 655 | Sum of HNO3 (nitric acid) and NO3- (nitrate) | Concept | stable |
| Major chemical components | 656 | Major chemical components | Concept | stable |
| Major inorganic components, TSP | 657 | Major inorganic components, TSP | Concept | stable |
| Major inorganic components, coarse | 658 | Major inorganic components, coarse | Concept | stable |
| Major inorganic components, fine | 659 | Major inorganic components, fine | Concept | stable |
| Other chemical components, coarse | 660 | Other chemical components, coarse | Concept | stable |
| Other chemical components, fine | 661 | Other chemical components, fine | Concept | stable |
| C2H3O2- (CH3COO-, acetate), PM1 | 662 | IUPAC: acetate, PubChem CID: 175, CAS Number: 71-50-0, in par... | Concept | stable |
| C2H3O2- (CH3COO-, acetate) | 663 | IUPAC: acetate, PubChem CID: 175, CAS Number: 71-50-0, in par... | Concept | stable |
| C2O4= (oxalate, ethanedioate), PM1 | 664 | IUPAC: oxalate, PubChem CID: 71081, CAS Number: 338-70-5, in ... | Concept | stable |
| C2O4= (oxalate, ethanedioate), PM10 | 665 | IUPAC: oxalate, PubChem CID: 71081, CAS Number: 338-70-5, in ... | Concept | stable |
| C2O4= (oxalate, ethanedioate), TSP | 666 | IUPAC: oxalate, PubChem CID: 71081, CAS Number: 338-70-5, in ... | Concept | stable |
| CH3O3S- (methanesulfonate), PM1 | 667 | IUPAC: methanesulfonate, PubChem CID: 85257, CAS Number: 1605... | Concept | stable |
| CH3O3S- (methanesulfonate), TSP | 668 | IUPAC: methanesulfonate, PubChem CID: 85257, CAS Number: 1605... | Concept | stable |
| CHO2- (HCOO-, formate) | 669 | IUPAC: formate, PubChem CID: 283, CAS Number: 71-47-6, in par... | Concept | stable |
| Carbonaceous-organic material, PM10 | 670 | Concept | stable | |
| Carbonaceous-organic material, fine | 671 | Concept | stable | |
| Ti (Titanium), TSP | 672 | IUPAC: titanium, PubChem CID: 23963, CAS Number: 7440-32-6, i... | Concept | stable |
| Al (Aluminium), PM2.5 | 673 | IUPAC: aluminium, PubChem CID: 5359268, CAS Number: 7429-90-5... | Concept | stable |
| Al (Aluminium), TSP | 674 | IUPAC: aluminium, PubChem CID: 5359268, CAS Number: 7429-90-5... | Concept | stable |
| Sb (Antimony), PM2.5 | 675 | IUPAC: antimony, PubChem CID: 5354495, CAS Number: 7440-36-0,... | Concept | stable |
| Sb (Antimony), TSP | 676 | IUPAC: antimony, PubChem CID: 5354495, CAS Number: 7440-36-0,... | Concept | stable |
| As (Arsenic), PM10 | 677 | IUPAC: arsenic, PubChem CID: 5359596, CAS Number: 7440-38-2, ... | Concept | stable |
| As (Arsenic), TSP | 678 | IUPAC: arsenic, PubChem CID: 5359596, CAS Number: 7440-38-2, ... | Concept | stable |
| Ba (Barium), PM2.5 | 679 | IUPAC: barium, PubChem CID: 5355457, CAS Number: 7440-39-3, i... | Concept | stable |
| Ba (Barium), TSP | 680 | IUPAC: barium, PubChem CID: 5355457, CAS Number: 7440-39-3, i... | Concept | stable |
| Bi (Bismuth), PM2.5 | 681 | IUPAC: bismuth, PubChem CID: 5359367, CAS Number: 7440-69-9, ... | Concept | stable |
| Bi (Bismuth), TSP | 682 | IUPAC: bismuth, PubChem CID: 5359367, CAS Number: 7440-69-9, ... | Concept | stable |
| Cd (Cadmium), PM1 | 683 | IUPAC: cadmium, PubChem CID: 23973, CAS Number: 7440-43-9, in... | Concept | stable |
| Cd (Cadmium), PM10 | 684 | IUPAC: cadmium, PubChem CID: 23973, CAS Number: 7440-43-9, in... | Concept | stable |
| Cd (Cadmium), PM2.5 | 685 | IUPAC: cadmium, PubChem CID: 23973, CAS Number: 7440-43-9, in... | Concept | stable |
| Cd (Cadmium), PM2.5 - PM10 | 686 | IUPAC: cadmium, PubChem CID: 23973, CAS Number: 7440-43-9, in... | Concept | stable |
| Cd (Cadmium), TSP | 687 | IUPAC: cadmium, PubChem CID: 23973, CAS Number: 7440-43-9, in... | Concept | stable |
| Ce (Cerium), PM2.5 | 688 | IUPAC: cerium, PubChem CID: 23974, CAS Number: 7440-45-1, in ... | Concept | stable |
| Ce (Cerium), TSP | 689 | IUPAC: cerium, PubChem CID: 23974, CAS Number: 7440-45-1, in ... | Concept | stable |
| Cr (Chromium), TSP | 690 | IUPAC: chromium, PubChem CID: 23976, CAS Number: 7440-47-3, i... | Concept | stable |
| Co (Cobalt), TSP | 691 | IUPAC: cobalt, PubChem CID: 104730, CAS Number: 7440-48-4, in... | Concept | stable |
| Cu (Copper), PM10 | 692 | IUPAC: copper, PubChem CID: 23978, CAS Number: 7440-50-8, in ... | Concept | stable |
| Cu (Copper), TSP | 693 | IUPAC: copper, PubChem CID: 23978, CAS Number: 7440-50-8, in ... | Concept | stable |
| Fe (Iron), TSP | 694 | IUPAC: iron, PubChem CID: 23925, CAS Number: 7439-89-6, in pa... | Concept | stable |
| La (Lanthanum), PM2.5 | 695 | IUPAC: lanthanum, PubChem CID: 23926, CAS Number: 7439-91-0, ... | Concept | stable |
| La (Lanthanum), TSP | 696 | IUPAC: lanthanum, PubChem CID: 23926, CAS Number: 7439-91-0, ... | Concept | stable |
| Pb (Lead), PM10 | 697 | IUPAC: lead, PubChem CID: 5352425, CAS Number: 7439-92-1, in ... | Concept | stable |
| Pb (Lead), TSP | 698 | IUPAC: lead, PubChem CID: 5352425, CAS Number: 7439-92-1, in ... | Concept | stable |
| Li (Lithium), PM2.5 | 699 | IUPAC: lithium, PubChem CID: 3028194, CAS Number: 7439-93-2, ... | Concept | stable |
| Li (Lithium), TSP | 700 | IUPAC: lithium, PubChem CID: 3028194, CAS Number: 7439-93-2, ... | Concept | stable |
| Mn (Manganese), PM10 | 701 | IUPAC: manganese, PubChem CID: 23930, CAS Number: 7439-96-5, ... | Concept | stable |
| Mn (Manganese), TSP | 702 | IUPAC: manganese, PubChem CID: 23930, CAS Number: 7439-96-5, ... | Concept | stable |
| Hg (Mercury), TSP | 703 | IUPAC: mercury, PubChem CID: 23931, CAS Number: 7439-97-6, in... | Concept | stable |
| Ni (Nickel), PM10 | 704 | IUPAC: nickel, PubChem CID: 935, CAS Number: 7440-02-0, in pa... | Concept | stable |
| Ni (Nickel), TSP | 705 | IUPAC: nickel, PubChem CID: 935, CAS Number: 7440-02-0, in pa... | Concept | stable |
| P (Phosphorous), PM2.5 | 706 | IUPAC: phosphorus, PubChem CID: 5462309, CAS Number: 7723-14-... | Concept | stable |
| P (Phosphorous), TSP | 707 | IUPAC: phosphorus, PubChem CID: 5462309, CAS Number: 7723-14-... | Concept | stable |
| Rb (Rubidium), PM2.5 | 708 | IUPAC: rubidium, PubChem CID: 5357696, CAS Number: 7440-17-7,... | Concept | stable |
| Rb (Rubidium), TSP | 709 | IUPAC: rubidium, PubChem CID: 5357696, CAS Number: 7440-17-7,... | Concept | stable |
| Se (Selenium), TSP | 710 | IUPAC: selenium, PubChem CID: 6326970, CAS Number: 7782-49-2,... | Concept | stable |
| Sr (Strontium), PM2.5 | 711 | IUPAC: strontium, PubChem CID: 5359327, CAS Number: 7440-24-6... | Concept | stable |
| Sr (Strontium), TSP | 712 | IUPAC: strontium, PubChem CID: 5359327, CAS Number: 7440-24-6... | Concept | stable |
| Tl (Thallium), PM2.5 | 713 | IUPAC: thallium, PubChem CID: 5359464, CAS Number: 7440-28-0,... | Concept | stable |
| Tl (Thallium), TSP | 714 | IUPAC: thallium, PubChem CID: 5359464, CAS Number: 7440-28-0,... | Concept | stable |
| Th (Thorium), PM2.5 | 715 | IUPAC: thorium, PubChem CID: 23960, CAS Number: 7440-29-1, in... | Concept | stable |
| Th (Thorium), TSP | 716 | IUPAC: thorium, PubChem CID: 23960, CAS Number: 7440-29-1, in... | Concept | stable |
| Sn (Tin), PM2.5 | 717 | IUPAC: tin, PubChem CID: 5352426, CAS Number: 7440-31-5, in p... | Concept | stable |
| Sn (Tin), TSP | 718 | IUPAC: tin, PubChem CID: 5352426, CAS Number: 7440-31-5, in p... | Concept | stable |
| U (Uranium), PM2.5 | 719 | IUPAC: uranium, PubChem CID: 23989, CAS Number: 7440-61-1, in... | Concept | stable |
| U (Uranium), TSP | 720 | IUPAC: uranium, PubChem CID: 23989, CAS Number: 7440-61-1, in... | Concept | stable |
| V (Vanadium), PM2.5 | 721 | IUPAC: vanadium, PubChem CID: 23990, CAS Number: 7440-62-2, i... | Concept | stable |
| V (Vanadium), TSP | 722 | IUPAC: vanadium, PubChem CID: 23990, CAS Number: 7440-62-2, i... | Concept | stable |
| Zn (Zinc), PM2.5 | 723 | IUPAC: zinc, PubChem CID: 23994, CAS Number: 7440-66-6, in pa... | Concept | stable |
| Zn (Zinc), TSP | 724 | IUPAC: zinc, PubChem CID: 23994, CAS Number: 7440-66-6, in pa... | Concept | stable |
| Dust mass concentration | 727 | Concentration of dust or sand in the atmosphere | Concept | stable |
| Volcanic ash particle mass concentration | 728 | 3D field of mass mixing ratio of volcanic ash | Concept | stable |
| Aerosol volcanic ash (Total column) | 729 | Field of total column mass of volcanic ash | Concept | stable |
| Total lightning density | 12001 | Concept | stable | |
| Lightning density cloud-to-ground | 12002 | Concept | stable | |
| Horizontal wind direction at specified distance from reference surface | 12005 | Horizontal wind direction at specified distance from referenc... | Concept | stable |
| Horizontal wind speed at specified distance from reference surface | 12006 | Horizontal wind speed at specified distance from reference su... | Concept | stable |
| Cl3CCF3 (1,1,1-trichloro-2,2,2-trifluoroethane, CFC-113a) | 12016 | IUPAC: 1,1,1-trichloro-2,2,2-trifluoroethane, PubChem CID: 96... | Concept | stable |
| CBr2F2 (dibromodifluoromethane, Halon 1202) | 12017 | IUPAC: dibromo(difluoro)methane, PubChem CID: 6382, CAS Numbe... | Concept | stable |
| C2Br2F4 (1,2-dibromo-1,1,2,2-tetrafluoroethane, Halon 2402) | 12018 | IUPAC: 1,2-dibromo-1,1,2,2-tetrafluoroethane, PubChem CID: 31... | Concept | stable |
| C2H3Cl2F (1,1-dichloro-2-fluoroethane, HCFC-141a) | 12019 | IUPAC: 1,1-dichloro-2-fluoroethane, PubChem CID: 67936, CAS N... | Concept | stable |
| O2/N2 ratio | 12021 | Atmospheric O2/N2 ratio | Concept | stable |
| Total pollen | 12022 | All pollen taxa | Concept | stable |
| Total Pinaceae | 12023 | Pine family pollen | Concept | stable |
| Abies | 12024 | Fir pollen | Concept | stable |
| Picea | 12025 | Spruce pollen | Concept | stable |
| Larix | 12026 | Larch pollen | Concept | stable |
| Pinus | 12027 | Pine pollen | Concept | stable |
| Total Cupressaceae | 12028 | Cypress family pollen | Concept | stable |
| Total Arecaceae | 12029 | Palm family pollen | Concept | stable |
| Platanus | 12030 | Plane tree pollen | Concept | stable |
| Parietaria | 12031 | Pellitory pollen | Concept | stable |
| Urtica | 12032 | Nettle pollen | Concept | stable |
| Castanea | 12033 | Sweet chestnut pollen | Concept | stable |
| Fagus | 12034 | Beech pollen | Concept | stable |
| Quercus | 12035 | Oak pollen | Concept | stable |
| Total Betulaceae | 12036 | Birch family pollen | Concept | stable |
| Alnus | 12037 | Alder pollen | Concept | stable |
| Betula | 12038 | Birch pollen | Concept | stable |
| Carpinus | 12039 | Hornbeam pollen | Concept | stable |
| Corylus | 12040 | Hazel pollen | Concept | stable |
| Total Amaranthaceae | 12041 | Amaranth family pollen | Concept | stable |
| Chenopodium | 12042 | Chenopodium (goosefoot) pollen | Concept | stable |
| Populus | 12043 | Poplar pollen | Concept | stable |
| Salix | 12044 | Willow pollen | Concept | stable |
| Total Oleaceae | 12045 | Olive family pollen | Concept | stable |
| Olea | 12046 | Olive pollen | Concept | stable |
| Fraxinus | 12047 | Ash pollen | Concept | stable |
| Total Asteraceae | 12048 | Aster family pollen | Concept | stable |
| Ambrosia | 12049 | Ragweed pollen | Concept | stable |
| Artemisia | 12050 | Mugwort pollen | Concept | stable |
| Solidago | 12051 | Solidago (goldenrod) pollen | Concept | stable |
| Total Poaceae | 12052 | Grasses pollen | Concept | stable |
| Secale | 12053 | Secale pollen | Concept | stable |
| Zea mays | 12054 | Maize pollen | Concept | stable |
| Juglans | 12055 | Walnut tree pollen | Concept | stable |
| Ulmus | 12056 | Elm pollen | Concept | stable |
| Acer | 12057 | Maple pollen | Concept | stable |
| Aesculus | 12058 | Aesculus pollen | Concept | stable |
| Brassica | 12059 | Brassica pollen | Concept | stable |
| Plantago | 12060 | Plantain pollen | Concept | stable |
| Sambucus | 12061 | Sambucus (elder) pollen | Concept | stable |
| Rumex | 12062 | Rumex (dock, sorrel) pollen | Concept | stable |
| Tilia | 12063 | Linden pollen | Concept | stable |
| Humulus | 12064 | Hop pollen | Concept | stable |
| Taxus | 12065 | Yew pollen | Concept | stable |
| Hippophae | 12066 | Sea-buckthorn pollen | Concept | stable |
| Ilex | 12067 | Holly pollen | Concept | stable |
| Ligustrum | 12068 | Privet pollen | Concept | stable |
| Total Juncaceae | 12069 | Rush family pollen | Concept | stable |
| Total Cyperaceae | 12070 | Sedge family pollen | Concept | stable |
| Total Ericaceae | 12071 | Heather family pollen | Concept | stable |
| Total Rosaceae | 12072 | Rose family pollen | Concept | stable |
| Silene | 12073 | Melandrium pollen | Concept | stable |
| Total Ranunculaceae | 12074 | Buttercup family pollen | Concept | stable |
| Total Umbelliferae | 12075 | Celery, carrot or parsley family pollen | Concept | stable |
| Total Brassicaceae | 12076 | Cabbage family (mustards, crucifers) pollen | Concept | stable |
| Ostrya | 12077 | Hophornbeam pollen | Concept | stable |
| Cedrus | 12078 | Cedar family pollen | Concept | stable |
| Buxus | 12079 | Box pollen | Concept | stable |
| Ginkgo | 12080 | Ginkgo pollen | Concept | stable |
| Liquidambar | 12081 | Sweetgum pollen | Concept | stable |
| Mercurialis | 12082 | Mercuries pollen | Concept | stable |
| Total Moraceae | 12083 | Mulberry family pollen | Concept | stable |
| Alternaria | 12084 | Alternaria spores | Concept | stable |
| Cladosporium | 12085 | Cladosporium spores | Concept | stable |
| NF3 (nitrogen trifluoride) | 12086 | IUPAC: nitrogen trifluoride, PubChem CID: 24553, CAS Number: ... | Concept | stable |
| CH3D (monodeuterated methane, methane-d1) | 12087 | IUPAC: deuteriomethane, PubChem CID: 12669, CAS Number: 676-4... | Concept | stable |
| CClF3 (chlorotrifluoromethane, CFC-13) | 12088 | IUPAC: chloro(trifluoro)methane, PubChem CID: 6392, CAS Numbe... | Concept | stable |
| C2HClF4 (1-chloro-1,2,2,2-tetrafluoroethane, HCFC-124) | 12089 | IUPAC: 2-chloro-1,1,1,2-tetrafluoroethane, PubChem CID: 17822... | Concept | stable |
| C5H2F10 (1,1,1,2,2,3,4,5,5,5-decafluoropentane, HFC-43-10-mee) | 12090 | IUPAC: 1,1,1,2,2,3,4,5,5,5-decafluoropentane, PubChem CID: 86... | Concept | stable |
| C4F8 (octafluorocyclobutane, PFC-318) | 12091 | IUPAC: 1,1,2,2,3,3,4,4-octafluorocyclobutane, PubChem CID: 82... | Concept | stable |
| C3H8O (1-propanol) | 12092 | IUPAC: Propan-1-ol, PubChem CID: 1031, CAS Number: 71-23-8, i... | Concept | stable |
| C3H8O (2-propanol) | 12093 | IUPAC: Propan-2-ol, PubChem CID: 3776, CAS Number: 67-63-0, i... | Concept | stable |
| C4H4O (furan) | 12094 | IUPAC: Furan, PubChem CID: 8029, CAS Number: 110-00-9, in gas... | Concept | stable |
| C5H6O (2-methylfuran) | 12095 | IUPAC: 2-Methylfuran, PubChem CID: 10797, CAS Number: 534-22-... | Concept | stable |
| C5H6O (3-methylfuran) | 12096 | IUPAC: 3-Methylfuran, PubChem CID: 13587, CAS Number: 930-27-... | Concept | stable |
| C3H3N (2-propenenitrile, acrylonitrile) | 12097 | IUPAC: Prop-2-enenitrile, PubChem CID: 7855, CAS Number: 107-... | Concept | stable |
| C3H5N (propanenitrile) | 12098 | IUPAC: Propanenitrile, PubChem CID: 7854, CAS Number: 107-12-... | Concept | stable |
| C4H5N (2-methyl-2-propenenitrile, methylacrylonitrile) | 12099 | IUPAC: 2-Methylprop-2-enenitrile, PubChem CID: 31368, CAS Num... | Concept | stable |
| CH3NO3 (methyl nitrate) | 12100 | IUPAC: Methyl nitrate, PubChem CID: 11724, CAS Number: 598-58... | Concept | stable |
| C2H5NO3 (ethyl nitrate) | 12101 | IUPAC: Ethyl nitrate, PubChem CID: 12259, CAS Number: 625-58-... | Concept | stable |
| C3H7NO3 (isopropyl nitrate) | 12102 | IUPAC: Propan-2-yl nitrate, PubChem CID: 15575, CAS Number: 1... | Concept | stable |
| C4H9NO3 (n-butyl nitrate) | 12103 | IUPAC: Butyl nitrate, PubChem CID: 13567, CAS Number: 928-45-... | Concept | stable |
| C4H9NO3 (isobutyl nitrate) | 12104 | IUPAC: 2-Methylpropyl nitrate, PubChem CID: 10974, CAS Number... | Concept | stable |
| C4H9NO3 (t-butyl nitrate) | 12105 | IUPAC: tert-Butyl nitrite, PubChem CID: 10906, CAS Number: 54... | Concept | stable |
| C4H9NO3 (2-butyl nitrate, sec-butyl nitrate) | 12106 | IUPAC: Butan-2-yl nitrite, PubChem CID: 13544, CAS Number: 92... | Concept | stable |
| C5H10O (2-methyl-3-buten-2-ol) | 12107 | IUPAC: 2-Methylbut-3-en-2-ol, PubChem CID: 8257, CAS Number: ... | Concept | stable |
| C8H18 (n-octane) | 12108 | IUPAC: Octane, PubChem CID: 356, CAS Number: 111-65-9, in gas... | Concept | stable |
| C8H18 (2,2,4-trimethylpentane) | 12109 | IUPAC: 2,2,4-Trimethylpentane, PubChem CID: 10907, CAS Number... | Concept | stable |
| C4H6O ((E)-crotonaldehyde, trans-2-butenal) | 12110 | IUPAC: (2E)-but-2-enal, PubChem CID: 447466, CAS Number: 123-... | Concept | stable |
| C4H6O ((Z)-crotonaldehyde, cis-2-butenal) | 12111 | IUPAC: (Z)-but-2-enal, PubChem CID: 673950, CAS Number: 15798... | Concept | stable |
| C4H6O (crotonaldehyde, 2-butenal) | 12112 | IUPAC: But-2-enal, PubChem CID: 20138, CAS Number: 4170-30-3,... | Concept | stable |
| C2H2Cl2 (1,1-dichloroethene) | 12113 | IUPAC: 1,1-Dichloroethene, PubChem CID: 6366, CAS Number: 75-... | Concept | stable |
| C2H2Cl2 ((Z)-1,2-dichloroethene, cis-1,2-dichloroethene) | 12114 | IUPAC: (Z)-1,2-dichloroethene, PubChem CID: 643833, CAS Numbe... | Concept | stable |
| C2H2Cl2 ((E)-1,2-dichloroethene, trans-1,2-dichloroethene) | 12115 | IUPAC: (E)-1,2-dichloroethene, PubChem CID: 638186, CAS Numbe... | Concept | stable |
| C2H2Cl2 (1,2-dichloroethene) | 12116 | IUPAC: 1,2-dichloroethene, PubChem CID: 10900, CAS Number: 54... | Concept | stable |
| C2H4Cl2 (1,1-dichloroethane) | 12117 | IUPAC: 1,1-Dichloroethane, PubChem CID: 6365, CAS Number: 75-... | Concept | stable |
| C2H4Cl2 (1,2-dichloroethane) | 12118 | IUPAC: 1,2-Dichloroethane, PubChem CID: 11, CAS Number: 107-0... | Concept | stable |
| CHBr2Cl (dibromochloromethane) | 12119 | IUPAC: dibromo(chloro)methane, PubChem CID: 31296, CAS Number... | Concept | stable |
| CHBrCl2 (bromodichloromethane) | 12120 | IUPAC: bromo(dichloro)methane, PubChem CID: 6359, CAS Number:... | Concept | stable |
| CH2ClI (chloroiodomethane) | 12121 | IUPAC: chloro(iodo)methane, PubChem CID: 11644, CAS Number: 5... | Concept | stable |
| CH2I2 (diiodomethane) | 12122 | IUPAC: diiodomethane, PubChem CID: 6346, CAS Number: 75-11-6,... | Concept | stable |
| C5H4O2 (furfural) | 12123 | IUPAC: furan-2-carbaldehyde, PubChem CID: 7362, CAS Number: 9... | Concept | stable |
| C5H4O2 (3-furaldehyde) | 12124 | IUPAC: furan-3-carbaldehyde, PubChem CID: 10351, CAS Number: ... | Concept | stable |
| C8H8 (styrene) | 12125 | IUPAC: styrene, PubChem CID: 7501, CAS Number: 100-42-5, in g... | Concept | stable |
| C8H6 (ethynylbenzene) | 12126 | IUPAC: ethynylbenzene, PubChem CID: 10821, CAS Number: 536-74... | Concept | stable |
| C6H5Cl (chlorobenzene) | 12127 | IUPAC: chlorobenzene, PubChem CID: 7964, CAS Number: 108-90-7... | Concept | stable |
| C10H16 (tricyclene) | 12128 | IUPAC: 1,7,7-trimethyltricyclo[2.2.1.02,6]heptane, PubChem CI... | Concept | stable |
| C10H16 (alpha-pinene) | 12129 | IUPAC: 2,6,6-trimethylbicyclo[3.1.1]hept-2-ene, PubChem CID: ... | Concept | stable |
| C10H16 (beta-pinene) | 12130 | IUPAC: 6,6-dimethyl-2-methylidenebicyclo[3.1.1]heptane, PubCh... | Concept | stable |
| C10H16 (myrcene) | 12131 | IUPAC: 7-methyl-3-methylideneocta-1, PubChem CID: 31253, CAS ... | Concept | stable |
| C10H16 (camphene) | 12132 | IUPAC: 2,2-dimethyl-3-methylidenebicyclo[2.2.1]heptane, PubCh... | Concept | stable |
| C10H16 (D-limonene) | 12133 | IUPAC: (4R)-1-methyl-4-prop-1-en-2-ylcyclohexene, PubChem CID... | Concept | stable |
| C10H16 (3-carene) | 12134 | IUPAC: 3,7,7-trimethylbicyclo[4.1.0]hept-3-ene, PubChem CID: ... | Concept | stable |
| C2H2O2 (glyoxal) | 12135 | IUPAC: oxaldehyde, PubChem CID: 7860, CAS Number: 107-22-2, i... | Concept | stable |
| C2H4O2 (methyl formate) | 12136 | IUPAC: methyl formate, PubChem CID: 7865, CAS Number: 107-31-... | Concept | stable |
| C2H4O2 (glycolaldehyde) | 12137 | IUPAC: 2-hydroxyacetaldehyde, PubChem CID: 756, CAS Number: 1... | Concept | stable |
| C3H6O2 (methyl acetate) | 12138 | IUPAC: methyl acetate, PubChem CID: 6584, CAS Number: 79-20-9... | Concept | stable |
| C3H6O2 (ethyl formate) | 12139 | IUPAC: ethyl formate, PubChem CID: 8025, CAS Number: 109-94-4... | Concept | stable |
| C3H6O2 (hydroxyacetone) | 12140 | IUPAC: 1-hydroxypropan-2-one, PubChem CID: 8299, CAS Number: ... | Concept | stable |
| C3H6O2 (1,3-dioxolane) | 12141 | IUPAC: 1,3-dioxolane, PubChem CID: 12586, CAS Number: 646-06-... | Concept | stable |
| C4H8O2 (ethyl acetate) | 12142 | IUPAC: ethyl acetate, PubChem CID: 8857, CAS Number: 141-78-6... | Concept | stable |
| C4H8O2 (methyl propionate) | 12143 | IUPAC: methyl propanoate, PubChem CID: 11124, CAS Number: 554... | Concept | stable |
| C8H10 (p-xylene) | 12144 | IUPAC: 1,4-xylene, PubChem CID: 7809, CAS Number: 106-42-3, i... | Concept | stable |
| Particle light extinction coefficient | 12145 | A measure of light attenuation due to scattering and absorpti... | Concept | stable |
| Particle single scattering albedo | 12146 | Ratio of particle scattering coefficient to particle extincti... | Concept | stable |
| Ångström exponent for particle light extinction | 12147 | A measure of dependence of the particle light extinction coef... | Concept | stable |
| Ångström exponent for particle light scattering | 12148 | A measure of dependence of the particle light scattering coef... | Concept | stable |
| Ångström exponent for particle light absorption | 12149 | A measure of dependence of the particle light absorption coef... | Concept | stable |
| Ångström exponent for aerosol optical depth | 12150 | A measure of dependence of the aerosol optical depth on wavel... | Concept | stable |
| Ångström exponent for aerosol absorption optical depth | 12151 | A measure of dependence of the aerosol absorption optical dep... | Concept | stable |
| Particle surface area size distribution | 12152 | Particle surface area concentration as a function of size, ty... | Concept | stable |
| Particle volume size distribution | 12153 | Particle volume concentration as a function of size, typicall... | Concept | stable |
| Particle mass size distribution | 12154 | Particle mass concentration as a function of size, typically ... | Concept | stable |
| Hygroscopic particle size growth factor | 12155 | A scaling factor describing the particle equivalent spherical... | Concept | stable |
| Hygroscopic particle light scattering growth factor | 12156 | A scaling factor describing the particle scattering coefficie... | Concept | stable |
| Hygroscopic particle light extinction growth factor | 12157 | A scaling factor describing the particle extinction coefficie... | Concept | stable |
| Particle light hemispheric backscatter coefficient | 12158 | The fraction of incident radiative flux scattered into all ba... | Concept | stable |
| Particle light backscatter coefficient | 12159 | The fraction of incident radiative flux scattered backward at... | Concept | stable |
| Particle light hemispheric forward scattering coefficient | 12160 | Incident radiative flux scattered into all forward angles, i.... | Concept | stable |
| Particle effective diameter | 12161 | The area weighted mean diameter of the aerosol particles. | Concept | stable |
| Aerosol layer height | 12162 | Height of vertically localized aerosol layer above sea level | Concept | stable |
| Mixed layer height | 12163 | Height above the surface to which atmospheric properties (win... | Concept | stable |
| O3 (ozone) | 12164 | IUPAC: ozone, PubChem CID: 24823, CAS Number: 10028-15-6, in ... | Concept | stable |
| Water vapour | 12165 | Concept | stable | |
| Temperature | 12166 | Concept | stable | |
| Cloud phase | 12167 | Aggregate state of cloud particles, either water droplets/dro... | Concept | stable |
| Height of the top of the PBL | 12168 | Height of the surface above ground separating the planetary b... | Concept | stable |
| Aerosol type | 12169 | Selection, out of a pre-defined set of aerosol classes, that ... | Concept | stable |
| Tritium [H-3] | 12170 | IUPAC: n/a, PubChem CID: 24824, CAS Number: 10028-17-8 | Concept | stable |
| Carbon [C-14] | 12171 | IUPAC: n/a, PubChem CID: 26873, CAS Number: 14762-75-5 | Concept | stable |
| Sodium [Na-22] | 12172 | IUPAC: sodium-22, PubChem CID: 6328543, CAS Number: 13966-32-... | Concept | stable |
| Sodium [Na-24] | 12173 | IUPAC: sodium-24, PubChem CID: 6335498, CAS Number: 13982-04-... | Concept | stable |
| Chlorine [Cl-38] | 12174 | IUPAC: n/a, PubChem CID: 167013, CAS Number: 14158-34-0 | Concept | stable |
| Potassium [K-40] | 12175 | IUPAC: potassium-40, PubChem CID: 6328542, CAS Number: 13966-... | Concept | stable |
| Potassium [K-42] | 12176 | IUPAC: potassium-42, PubChem CID: 11607897, CAS Number: 14378... | Concept | stable |
| Scandium [Sc-46] | 12177 | IUPAC: scandium-46, PubChem CID: 107673, CAS Number: 13967-63... | Concept | stable |
| Chromium [Cr-51] | 12178 | IUPAC: chromium-51, PubChem CID: 104786, CAS Number: 14392-02... | Concept | stable |
| Manganese [Mn-53] | 12179 | IUPAC: manganese-53, PubChem CID: 167227, CAS Number: 14999-3... | Concept | stable |
| Manganese [Mn-56] | 12180 | IUPAC: manganese-56, PubChem CID: 114694, CAS Number: 14681-5... | Concept | stable |
| Iron [Fe-59] | 12181 | IUPAC: iron-59, PubChem CID: 104784, CAS Number: 14596-12-4 | Concept | stable |
| Cobalt [Co-56] | 12182 | IUPAC: cobalt-56, PubChem CID: 166998, CAS Number: 14093-03-9 | Concept | stable |
| Cobalt [Co-57] | 12183 | IUPAC: cobalt-57, PubChem CID: 104851, CAS Number: 13981-50-5 | Concept | stable |
| Cobalt [Co-58] | 12184 | IUPAC: cobalt-58, PubChem CID: 104844, CAS Number: 13981-38-9 | Concept | stable |
| Cobalt [Co-60] | 12185 | IUPAC: cobalt-60, PubChem CID: 61492, CAS Number: 10198-40-0 | Concept | stable |
| Zinc [Zn-65] | 12186 | IUPAC: zinc-65, PubChem CID: 91574, CAS Number: 13982-39-3 | Concept | stable |
| Gallium [Ga-67] | 12187 | IUPAC: gallium-67, PubChem CID: 5464084, CAS Number: 14119-09... | Concept | stable |
| Selenium [Se-75] | 12188 | IUPAC: selenium-75, PubChem CID: 6328176, CAS Number: 14265-7... | Concept | stable |
| Strontium [Sr-85] | 12189 | IUPAC: strontium-85, PubChem CID: 5464271, CAS Number: 13967-... | Concept | stable |
| Strontium [Sr-89] | 12190 | IUPAC: strontium-89, PubChem CID: 5388880, CAS Number: 14158-... | Concept | stable |
| Strontium [Sr-90] | 12191 | IUPAC: strontium-90, PubChem CID: 5486204, CAS Number: 10098-... | Concept | stable |
| Strontium [Sr-91] | 12192 | IUPAC: strontium-91, PubChem CID: 6337043, CAS Number: 14331-... | Concept | stable |
| Yttrium [Y-88] | 12193 | IUPAC: yttrium-88, PubChem CID: 105173, CAS Number: 13982-36-... | Concept | stable |
| Yttrium [Y-90m] | 12194 | Metastable (excited) state of yttrium-90 isotope, IUPAC: yttr... | Concept | stable |
| Zirconium [Zr-95] | 12195 | IUPAC: zirconium-95, PubChem CID: 91573, CAS Number: 13967-71... | Concept | stable |
| Niobium [Nb-95] | 12196 | IUPAC: niobium-95, PubChem CID: 104776, CAS Number: 13967-76-... | Concept | stable |
| Molybdenum [Mo-99] | 12197 | IUPAC: molybdenum-99, PubChem CID: 104976, CAS Number: 14119-... | Concept | stable |
| Technetium [Tc-99m] | 12198 | Metastable (excited) state of technetium-99 isotope, IUPAC: t... | Concept | stable |
| Ruthenium [Ru-103] | 12199 | IUPAC: ruthenium-103, PubChem CID: 104749, CAS Number: 13968-... | Concept | stable |
| Ruthenium [Ru-106] | 12200 | IUPAC: ruthenium-106, PubChem CID: 26359, CAS Number: 13967-4... | Concept | stable |
| Silver [Ag-108m] | 12201 | Metastable (excited) state of silver-108 isotope, IUPAC: silv... | Concept | stable |
| Silver [Ag-110m] | 12202 | Metastable (excited) state of silver-110 isotope, IUPAC: silv... | Concept | stable |
| Indium [In-111] | 12203 | IUPAC: indium-111, PubChem CID: 5462099, CAS Number: 15750-15... | Concept | stable |
| Tin [Sn-113] | 12204 | IUPAC: tin-113, PubChem CID: 6335514, CAS Number: 13966-06-8 | Concept | stable |
| Antimony [Sb-122] | 12205 | IUPAC: antimony-122, PubChem CID: 6335836, CAS Number: 14374-... | Concept | stable |
| Antimony [Sb-124] | 12206 | IUPAC: antimony-124, PubChem CID: 6335510, CAS Number: 14683-... | Concept | stable |
| Antimony [Sb-125] | 12207 | IUPAC: antimony-125, PubChem CID: 6335317, CAS Number: 14234-... | Concept | stable |
| Tellurium [Te-132] | 12208 | IUPAC: tellurium-132, PubChem CID: 6336614, CAS Number: 14234... | Concept | stable |
| Iodine [I-126], elementary | 12209 | IUPAC: n/a, PubChem CID: 161029, CAS Number: 14158-32-8 | Concept | stable |
| Iodine [I-131], elementary | 12210 | IUPAC: n/a, PubChem CID: 24855, CAS Number: 10043-66-0 | Concept | stable |
| Iodine [I-132], elementary | 12211 | IUPAC: n/a, PubChem CID: 104966, CAS Number: 14683-16-0 | Concept | stable |
| Iodine [I-133], elementary | 12212 | IUPAC: n/a, PubChem CID: 167176, CAS Number: 14834-67-4 | Concept | stable |
| Xenon [Xe-133] | 12213 | IUPAC: xenon-133, PubChem CID: 66376, CAS Number: 14932-42-4 | Concept | stable |
| Caesium [Cs-134] | 12214 | IUPAC: cesium-134, PubChem CID: 6335485, CAS Number: 13967-70... | Concept | stable |
| Caesium [Cs-136] | 12215 | IUPAC: cesium-136, PubChem CID: 6335316, CAS Number: 14234-29... | Concept | stable |
| Caesium [Cs-137] | 12216 | IUPAC: cesium-137, PubChem CID: 5486527, CAS Number: 10045-97... | Concept | stable |
| Barium [Ba-133] | 12217 | IUPAC: barium-133, PubChem CID: 5491664, CAS Number: 13981-41... | Concept | stable |
| Barium [Ba-140] | 12218 | IUPAC: barium-140, PubChem CID: 6335490, CAS Number: 14798-08... | Concept | stable |
| Cerium [Ce-139] | 12219 | IUPAC: cerium-139, PubChem CID: 166969, CAS Number: 13982-30-... | Concept | stable |
| Cerium [Ce-141] | 12220 | IUPAC: cerium-141, PubChem CID: 104814, CAS Number: 13967-74-... | Concept | stable |
| Cerium [Ce-144] | 12221 | IUPAC: cerium-144, PubChem CID: 26874, CAS Number: 14762-78-8 | Concept | stable |
| Lanthanum [La-140] | 12222 | IUPAC: lanthanum-140, PubChem CID: 104882, CAS Number: 13981-... | Concept | stable |
| Neodymium [Nd-147] | 12223 | IUPAC: neodymium-147, PubChem CID: 114848, CAS Number: 14269-... | Concept | stable |
| Europium [Eu-152] | 12224 | IUPAC: europium-152, PubChem CID: 104907, CAS Number: 14683-2... | Concept | stable |
| Tantalum [Ta-182] | 12225 | IUPAC: tantalum-182, PubChem CID: 161013, CAS Number: 13982-0... | Concept | stable |
| Iridium [Ir-192] | 12226 | IUPAC: iridium-192, PubChem CID: 66373, CAS Number: 14694-69-... | Concept | stable |
| Mercury [Hg-203] | 12227 | IUPAC: mercury-203, PubChem CID: 104771, CAS Number: 13982-78... | Concept | stable |
| Bismuth [Bi-212] | 12228 | IUPAC: bismuth-212, PubChem CID: 6335500, CAS Number: 14913-4... | Concept | stable |
| Bismuth [Bi-213] | 12229 | IUPAC: bismuth-213, PubChem CID: 6337093, CAS Number: 15776-2... | Concept | stable |
| Lead [Pb-212] | 12230 | IUPAC: lead-212, PubChem CID: 6335491, CAS Number: 15092-94-1 | Concept | stable |
| Lead [Pb-214] | 12231 | IUPAC: lead-214, PubChem CID: 6328551, CAS Number: 15067-28-4 | Concept | stable |
| Radium [Ra-226] | 12232 | IUPAC: radium-226, PubChem CID: 9877911, CAS Number: 13982-63... | Concept | stable |
| Actinium [Ac-228] | 12233 | IUPAC: actinium-228, PubChem CID: 105063, CAS Number: 14331-8... | Concept | stable |
| Thorium [Th-232] | 12234 | IUPAC: thorium-232, PubChem CID: 11817119, CAS Number: n/a | Concept | stable |
| Uranium [U-234] | 12235 | IUPAC: uranium-234, PubChem CID: 61704, CAS Number: 13966-29-... | Concept | stable |
| Uranium [U-235] | 12236 | IUPAC: uranium-235, PubChem CID: 61784, CAS Number: 15117-96-... | Concept | stable |
| Uranium [U-238] | 12237 | IUPAC: uranium-238, PubChem CID: n/a, CAS Number: n/a | Concept | stable |
| Plutonium [Pu-238] | 12238 | IUPAC: plutonium-238, PubChem CID: 61709, CAS Number: 13981-1... | Concept | stable |
| Neptunium [Np-239] | 12239 | IUPAC: neptunium-239, PubChem CID: 104958, CAS Number: 13968-... | Concept | stable |
| Americium [Am-241] | 12240 | IUPAC: americium-241, PubChem CID: 104726, CAS Number: 14596-... | Concept | stable |
| Sum of Plutonium [Pu-239] and [Pu-240] | 12241 | Sum of Plutonium isotopes: Pu-239 and Pu-240, IUPAC: plutoniu... | Concept | stable |
| Gold [Au-198] | 12242 | IUPAC: gold-198, PubChem CID: 66274, CAS Number: 10043-49-9 | Concept | stable |
| C2H2Cl2F2 (1,2-dichloro-1,1-difluoroethane, HCFC-132b) | 12243 | IUPAC: 1,2-dichloro-1,1-difluoroethane, PubChem CID: 15442, C... | Concept | stable |
| C2H2ClF3 (2-chloro-1,1,1-trifluoroethane, HCFC-133a) | 12244 | IUPAC: 2-chloro-1,1,1-trifluoroethane, PubChem CID: 6408, CAS... | Concept | stable |
| C3H2F6 (1,1,1,3,3,3-hexafluoropropane, HFC-236fa) | 12245 | IUPAC: 1,1,1,3,3,3-hexafluoropropane, PubChem CID: 12722, CAS... | Concept | stable |
| Tellurium [Te-131] | 12246 | IUPAC: tellurium-131, PubChem CID: 6337051, CAS Number: 14683... | Concept | stable |
| Neodymium [Nd-137] | 12247 | IUPAC: neodymium-137 | Concept | stable |
| Attenuated backscatter | 12248 | The product of the total volume backscatter coefficient and t... | Concept | stable |
| Relative humidity (with respect to water) | 12249 | The ratio of the amount fraction of the water vapour in the a... | Concept | stable |
| Specific humidity | 12250 | The ratio of the mass of water vapour in the air to the mass ... | Concept | stable |
| Relative attenuated backscatter | 12251 | The product of the total volume backscatter coefficient and t... | Concept | stable |
| Radiance | 12295 | The radiant flux emitted, reflected, transmitted or received ... | Concept | stable |
| Spectral radiance | 12296 | The radiance of a surface per unit frequency or wavelength, d... | Concept | stable |
| Brightness temperature | 12297 | Also called radiance temperature or equivalent black body tem... | Concept | stable |
| Spectral bidirectional reflectance | 12298 | Ratio of reflected to incident radiation as a function of inc... | Concept | stable |
| Radar backscatter coefficient | 12299 | Normalised radar cross section (NRCS) backscatter coefficient... | Concept | stable |
| Bending angle | 12300 | The angle through which an electromagnetic wave is refracted ... | Concept | stable |
| Refractivity | 12301 | The refractive index (of air) minus one. Particularly used fo... | Concept | stable |
| Slant total delay (STD) | 12302 | The time delay of a GNSS radio signal passing along an atmosp... | Concept | stable |
| Zenith total delay (ZTD) | 12303 | The time delay of a GNSS radio signal passing along an atmosp... | Concept | stable |
| Delay Doppler map | 12304 | A 2D array of backscatter coefficients as a function of Doppl... | Concept | stable |
| Impact parameter | 12305 | Minimum distance between the direction vector of the ray (pri... | Concept | stable |