HCl (hydrochloric acid)
notation: 288
type: Concept

n-C4H10 (n-butane)
notation: 501
type: Concept

Watervapor profile
notation: 256
type: Concept

Vanadium (V), total aerosol
notation: 722
type: Concept

C6Hn (n={14, 12}; sum of 3-methylpentane & cyclohexane)
notation: 477
type: Concept

Air temperature (at specified distance from reference surface)
notation: 224
type: Concept

Sunshine duration
notation: 270
type: Concept

Lead (Pb), total aerosol
notation: 698
type: Concept

C3H8 (propane)
notation: 445
type: Concept

CH3CHO (acetaldehyde, ethanal)
notation: 491
type: Concept

C2O4= (oxalate, ethanedioate), total aerosol
notation: 666
type: Concept

Hygroscopic growth factor, 110 μm equivalent
notation: 413
type: Concept

Calcium (Ca++), total aerosol
notation: 634
type: Concept

Barium (Ba), total aerosol
notation: 680
type: Concept

Copper (Cu)
notation: 602
type: Concept

Cloud hydrometeor concentration
notation: 182
type: Concept

UV Erythemally weighted
notation: 357
type: Concept

Propionate (C2H5COO-)
notation: 578
type: Concept

Multiwavelength optical depth, total aerosol
notation: 325
type: Concept

Number size distribution, total aerosol
notation: 371
type: Concept

Magnesium (Mg++)
notation: 546
type: Concept

Total lightning density
notation: 12001
type: Concept

CCl2F2 (dichlorodifluoromethane, CFC-12)
notation: 592
type: Concept

C4H5F5 (1,1,1,3,3-pentafluorobutane, HFC-365mfc)
notation: 560
type: Concept

Mercury (Hg), total aerosol
notation: 703
type: Concept

CHCl3 (chloroform)
notation: 283
type: Concept

C5H10 (sum of 1-pentene & 2-methyl-2-butene)
notation: 458
type: Concept

H2
notation: 205
type: Concept

Humidity (at specified distance from reference surface)
notation: 251
type: Concept

Barium (Ba), PM2.5
notation: 679
type: Concept

C6H14 (2-methylpentane)
notation: 472
type: Concept

Ammonium (NH4+), total aerosol
notation: 647
type: Concept

Copper (Cu), total aerosol
notation: 693
type: Concept

C3H4O (prop-2-enal, acrolein)
notation: 440
type: Concept

Chloride (Cl-), PM10
notation: 615
type: Concept

CO2 [C-13]
notation: 195
type: Concept

Other chemical components (fine)
notation: 661
type: Concept

C14H10 (anthracene), in air
notation: 338
type: Concept

C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, gamma-lindane, gamma-HCH), in air
notation: 384
type: Concept

C3HF7 (1,1,1,2,3,3,3-Heptafluoropropane, HFC-227ea)
notation: 559
type: Concept

Global solar radiation (downwelling)
notation: 573
type: Concept

Light backscattering coefficient, PM10
notation: 320
type: Concept

Iodide (I-)
notation: 541
type: Concept

Thorium (Th), total aerosol
notation: 716
type: Concept

Hydrogen ion (H+) or pH
notation: 296
type: Concept

Pressure tendency
notation: 218
type: Concept

Vertical ozone profile
notation: 264
type: Concept

C3H4 (propyne)
notation: 439
type: Concept

C8H10 (o-xylene)
notation: 485
type: Concept

C5H10 (1-pentene)
notation: 453
type: Concept

Aluminium (Al), total aerosol
notation: 674
type: Concept

CF4 (tetrafluoromethane, carbon tetrafluoride, perfluoromethane, PFC-14)
notation: 421
type: Concept

Sodium (Na+), PM2.5
notation: 642
type: Concept

NOx
notation: 397
type: Concept

Light backscattering coefficient, PM1
notation: 319
type: Concept

Mass concentration (fine) or Mass PM1
notation: 365
type: Concept

CBrF3 (bromotrifluoromethane, Halon 1301)
notation: 333
type: Concept

Optical depth within each layer
notation: 508
type: Concept

C2H2F4 (1,1,1,2-tetrafluoroethane, HFC-134a)
notation: 554
type: Concept

Aerosol volcanic ash (Total column)
notation: 729
type: Concept

Hydrometeor radius
notation: 522
type: Concept

CH2Br2 (dibromomethane)
notation: 277
type: Concept

i-C4H8 (2-methylpropene, iso-butene)
notation: 498
type: Concept

Strontium (Sr), PM2.5
notation: 711
type: Concept

ROOH
notation: 291
type: Concept

C5Hn (n={10, 8}; sum of 3-methyl-1-butene & cyclopentene)
notation: 466
type: Concept

Occurrence of precipitation during last period (yes/no)
notation: 213
type: Concept

Cadmium (Cd), total aerosol
notation: 687
type: Concept

C2H2 (ethyne, acetylene)
notation: 434
type: Concept

Zinc (Zn)
notation: 609
type: Concept

C7H16 (sum of methylhexanes)
notation: 480
type: Concept

Sum of nitric acid (HNO3) and nitrate (NO3-), in air and aerosol
notation: 655
type: Concept

Elemental carbon (coarse), PM10
notation: 623
type: Concept

C12H8Cl6 (aldrin), in total precipitation
notation: 378
type: Concept

Cadmium (Cd)
notation: 599
type: Concept

C18H12 (Benz(a)anthracene), PM10
notation: 346
type: Concept

ClONO2 (chlorine nitrate)
notation: 392
type: Concept

Long-wave radiation (upwelling)
notation: 567
type: Concept

Aerosol Absorption Optical Depth
notation: 314
type: Concept

C2H3ClF2 (1-chloro-1,1-difluoroethane, HCFC-142b)
notation: 535
type: Concept

n-C7H16 (n-heptane)
notation: 503
type: Concept

Lightning discharge polarity
notation: 258
type: Concept

Zinc (Zn), total aerosol
notation: 724
type: Concept

Integrated air samples
notation: 44
type: Concept

C6Hn (n={14, 12}; sum of 2,3-dimethylbutane & methylcyclopentane
notation: 479
type: Concept

Extreme temperature (min, max) (at specified distance from reference surface)
notation: 226
type: Concept

C4H6O (2-methylprop-2-enal, methacrolein)
notation: 447
type: Concept

CH3OH (methanol)
notation: 493
type: Concept

CH3O3S- (methanesulphonate), total aerosol
notation: 668
type: Concept

Hygroscopic growth factor, 35 μm equivalent
notation: 415
type: Concept

C5H12 & C4H8 (sum of 2,2-dimethylpropane & c-2-butene)
notation: 461
type: Concept

Magnesium (Mg++), PM2.5
notation: 636
type: Concept

Bismuth (Bi), total aerosol
notation: 682
type: Concept

Lead (Pb)
notation: 604
type: Concept

UV Spectral
notation: 359
type: Concept

Nitrate (NO3-), PM10
notation: 650
type: Concept

Cloud ice
notation: 327
type: Concept

Cloud liquid water (CLW)
notation: 373
type: Concept

Sodium (Na+)
notation: 548
type: Concept

CCl4 (carbon tetrachloride)
notation: 594
type: Concept

C14H10 (phenanthrene), in air
notation: 341
type: Concept

CHF3 (trifluoromethane, HFC-23)
notation: 562
type: Concept

State of ground
notation: 57
type: Concept

Nickel (Ni), total aerosol
notation: 705
type: Concept

COF2 (difluoromethanal, carbonyl fluoride)
notation: 285
type: Concept

HDO (as a chemical species)
notation: 207
type: Concept

Mass mixing ratio
notation: 253
type: Concept

COS (OCS, carbon oxide sulfide, carbonyl sulfide)
notation: 428
type: Concept

C6H14 (n-hexane)
notation: 474
type: Concept

Krypton [Kr-85]
notation: 221
type: Concept

Ammonium nitrate (NH4NO3), PM1
notation: 649
type: Concept

Lanthanum (La), PM2.5
notation: 695
type: Concept

C3H6 (propene)
notation: 442
type: Concept

Chloride (Cl-), total aerosol
notation: 617
type: Concept

C2H3O2- (CH3COO-, acetate), in aerosol
notation: 663
type: Concept

Strong acids
notation: 529
type: Concept

Light scattering coefficient, PM1
notation: 322
type: Concept

Sulphate (SO4=), corrected
notation: 543
type: Concept

Tin (Sn), total aerosol
notation: 718
type: Concept

Present weather
notation: 266
type: Concept

C9H12 (1,2,4-trimethylbenzene)
notation: 487
type: Concept

Lithium (Li), total aerosol
notation: 700
type: Concept

CH3Cl (methylchloride)
notation: 280
type: Concept

C5H10 (2-methyl-2-butene)
notation: 455
type: Concept

Antimony (Sb), total aerosol
notation: 676
type: Concept

Ammonia (NH3), PM2.5
notation: 644
type: Concept

Chromium (Cr), total aerosol
notation: 690
type: Concept

CH4
notation: 192
type: Concept

Mass concentration (size fractionated)
notation: 367
type: Concept

C14H10 (anthracene), PM10
notation: 335
type: Concept

C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, alpha-lindane, alpha-HCH), in aerosol
notation: 381
type: Concept

C2HF5 (pentafluoroethane, HFC-125)
notation: 556
type: Concept

Lithometeor type
notation: 524
type: Concept

CH3Br (methylbromide)
notation: 279
type: Concept

Nitrite (NO2-)
notation: 570
type: Concept

Thallium (Tl), PM2.5
notation: 713
type: Concept

C6H12 (cyclohexane)
notation: 468
type: Concept

Type of precipitation
notation: 215
type: Concept

Cerium (Ce), total aerosol
notation: 689
type: Concept

C2H4 (ethene)
notation: 436
type: Concept

C7H8 (toluene)
notation: 482
type: Concept

Major inorganic components (TSP)
notation: 657
type: Concept

C4H8 (sum of butenes)
notation: 450
type: Concept

Elemental carbon, PM2.5
notation: 625
type: Concept

Carbonaceous-organic material (fine)
notation: 671
type: Concept

C18H12 (Benz(a)anthracene), in air
notation: 348
type: Concept

HNO3 (nitric acid)
notation: 394
type: Concept

Nitrate (NO3-)
notation: 569
type: Concept

Light absorption coefficient, PM1
notation: 316
type: Concept

Aerosol effective radius
notation: 362
type: Concept

CHClF2 (chlorodifluoromethane, HCFC-22)
notation: 537
type: Concept

Freezing level height in clouds
notation: 330
type: Concept

t-C5H10 (trans-2-pentene)
notation: 505
type: Concept

Type of high clouds
notation: 551
type: Concept

BrO (bromine monoxide)
notation: 274
type: Concept

C4H8 (1-butene)
notation: 449
type: Concept

c-C4H8 (cis-2-butene)
notation: 495
type: Concept

Hygroscopic growth factor, 75 μm equivalent
notation: 417
type: Concept

C5H14 (2,3-dimethylbutane)
notation: 463
type: Concept

Amount of precipitation
notation: 210
type: Concept

Potassium (K+), PM10
notation: 638
type: Concept

Cadmium (Cd), PM10
notation: 684
type: Concept

Lightning detection (time and location)
notation: 431
type: Concept

Mercury (Hg)
notation: 606
type: Concept

Melting layer depth in clouds
notation: 186
type: Concept

Nitrate (NO3-), total aerosol
notation: 652
type: Concept

Cloud ice effective radius
notation: 329
type: Concept

Sulphate (SO4=), total
notation: 620
type: Concept

C12H8Cl6 (aldrin), in aerosol
notation: 375
type: Concept

Horizontal wind direction at specified distance from reference surface
notation: 12005
type: Concept

C14H10 (phenanthrene), in wet deposition
notation: 343
type: Concept

Height of cloud top
notation: 532
type: Concept

Phosphorous (P), total aerosol
notation: 707
type: Concept

H2O2 (hydrogen peroxide)
notation: 287
type: Concept

i-C7H16 (2-methylhexane, isoheptane)
notation: 500
type: Concept

Water vapour pressure
notation: 255
type: Concept

Vanadium (V), PM2.5
notation: 721
type: Concept

C6H6 (benzene)
notation: 476
type: Concept

Radon [Rn-222]
notation: 223
type: Concept

Lead (Pb), PM10
notation: 697
type: Concept

C3H6O (propanal)
notation: 444
type: Concept

Sulphate (SO4=), corrected
notation: 619
type: Concept

CH3CH2OH (ethanol)
notation: 490
type: Concept

C2O4= (oxalate, ethanedioate), PM10
notation: 665
type: Concept

CCN concentration spectra
notation: 412
type: Concept

Calcium (Ca++), PM2.5
notation: 633
type: Concept

Cobalt (Co)
notation: 601
type: Concept

Cloud drop effective radius
notation: 181
type: Concept

UV Broadband
notation: 356
type: Concept

Formate (HCOO-)
notation: 577
type: Concept

Light scattering coefficient, total aerosol
notation: 324
type: Concept

Number size distribution, PM10
notation: 370
type: Concept

Calcium (Ca++)
notation: 545
type: Concept

Atmospheric pressure profile
notation: 12000
type: Concept

C2ClF5 (1-chloro-1,1,2,2,2-pentafluoroethane, CFC-115)
notation: 591
type: Concept

CH2O (formaldehyde)
notation: 489
type: Concept

Manganese (Mn), total aerosol
notation: 702
type: Concept

CHBr3 (bromoform)
notation: 282
type: Concept

C5H10 (cyclopentane)
notation: 457
type: Concept

SO2F2 (sulphuryl fluoride)
notation: 204
type: Concept

Turbulence type (low levels and wake vortex)
notation: 250
type: Concept

Arsenic (As), total aerosol
notation: 678
type: Concept

C6H14 (2,2-dimethylbutane)
notation: 471
type: Concept

Ammonium (NH4+), PM2.5
notation: 646
type: Concept

Copper (Cu), PM10
notation: 692
type: Concept

Chloride (Cl-), PM1
notation: 614
type: Concept

CO2
notation: 194
type: Concept

Number concentration
notation: 369
type: Concept

Other chemical components (coarse)
notation: 660
type: Concept

C14H10 (anthracene), in air and aerosol
notation: 337
type: Concept

C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, alpha-lindane, alpha-HCH), in wet precipitation
notation: 383
type: Concept

C3H3F5 (1,1,1,3,3-Pentafluoropropane, HFC-245fa)
notation: 558
type: Concept

Gust Speed
notation: 305
type: Concept

C18H12 (Benz(a)anthracene), in total precipitation
notation: 351
type: Concept

Obscuration type
notation: 526
type: Concept

Direct solar radiation
notation: 572
type: Concept

Turbulence
notation: 249
type: Concept

Fluoride (F-)
notation: 540
type: Concept

Thorium (Th), PM2.5
notation: 715
type: Concept

Electric conductivity
notation: 295
type: Concept

Characteristic of pressure tendency
notation: 217
type: Concept

Total column ozone
notation: 263
type: Concept

C2H6S (dimethylsulfide, DMS)
notation: 438
type: Concept

C8H10 (m-xylene)
notation: 484
type: Concept

Major inorganic components (fine)
notation: 659
type: Concept

C4H8O (butanal isomers)
notation: 452
type: Concept

Aluminium (Al), PM2.5
notation: 673
type: Concept

C3F8 (octafluoropropane, PFC-218)
notation: 420
type: Concept

Observed variable - measurand (atmosphere)
member: Cadmium (Cd), PM1
member: C9H12 (1,2,4-trimethylbenzene)
member: Thallium (Tl), PM2.5
member: Integrated water vapour
member: Lithium (Li), PM2.5
member: C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, gamma-lindane, gamma-HCH), in air
member: Height of cloud top
member: Nitrate (NO3-), PM10
member: Chloride (Cl-), PM1
member: H2O (as a chemical species)
member: C3H6 (propene)
member: Light scattering coefficient, total aerosol
member: C14H10 (anthracene), in air
member: Global solar radiation (upwelling)
member: C5H10 (sum of 1-pentene & 2-methyl-2-butene)
member: UV-B radiation
member: C2H3O5N (peroxyacetylnitrate, PAN)
member: n-C7H16 (n-heptane)
member: HF (hydrofluoric acid)
member: Magnesium (Mg++), PM10
member: CCN concentration at single supersaturation
member: Special phenomena
member: Occurrence of precipitation during last period (yes/no)
member: C5H14 (2,3-dimethylbutane)
member: C16H10 (pyrene), in air and aerosol
member: Wind (surface wind direction and speed, horizontal) - deprecated
member: CH3CCl3 (1,1,1-trichloroethane)
member: C3HF7 (1,1,1,2,3,3,3-Heptafluoropropane, HFC-227ea)
member: Antimony (Sb), PM2.5
member: C6Hn (n={14, 12}; sum of 2,3-dimethylbutane & methylcyclopentane
member: Cerium (Ce), total aerosol
member: Nickel (Ni), total aerosol
member: CH3Cl (methylchloride)
member: C12H8Cl6 (aldrin), in air
member: Uranium (U), total aerosol
member: NMHC
member: Hydrogen ion (H+) or pH
member: Lithometeor type
member: Major chemical components (size fractionated)
member: Mercury (Hg)
member: C18H12 (Benz(a)anthracene), in precipitation
member: Aerosol Absorption Optical Depth
member: Type of cloud
member: C8H10 (m-xylene)
member: Barium (Ba), total aerosol
member: Selenium (Se), total aerosol
member: C2H2 (ethyne, acetylene)
member: C4H6O (but-3-en-2-one, methylvinylketone)
member: Long-wave radiation (downwelling)
member: Lanthanum (La), total aerosol
member: C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, alpha-lindane, alpha-HCH), in aerosol
member: Past weather
member: Height of cloud base
member: NOx
member: C2H3O2- (CH3COO-, acetate), in aerosol
member: Light backscattering coefficient, total aerosol
member: Diffuse solar radiation
member: Beryllium [Be-7]
member: C5H10 (2-methyl-2-butene)
member: C14H10 (anthracene), in air and aerosol
member: C2F6 (hexafluoroethane, PFC-116)
member: i-C7H16 (2-methylhexane, isoheptane)
member: ClO (chlorine monoxide)
member: Calcium (Ca++), PM10
member: Mass concentration (total aerosol) or Mass TSP
member: Ammonium nitrate (NH4NO3), total aerosol
member: Amount of precipitation
member: Aerosol volcanic ash (mass concentration)
member: C5H10O (pentanal, valeraldehyde)
member: C14H10 (phenanthrene), in air and aerosol
member: CCl2F2 (dichlorodifluoromethane, CFC-12)
member: Extreme temperature (min, max) (at specified distance from reference surface)
member: Phosphate (PO4---)
member: C2HF5 (pentafluoroethane, HFC-125)
member: C6H6 (benzene)
member: Titanium (Ti), total aerosol
member: UV Multiband
member: Manganese (Mn), total aerosol
member: Cerium (Ce), PM2.5
member: CH3CHO (acetaldehyde, ethanal)

Sodium (Na+), PM10
notation: 641
type: Concept

NO2
notation: 396
type: Concept

Light absorption coefficient, total aerosol
notation: 318
type: Concept

Mass concentration (coarse) or Mass PM10
notation: 364
type: Concept

Chloride (Cl-)
notation: 539
type: Concept

CBrClF2 (Halon 1211)
notation: 332
type: Concept

Optical depth of fog
notation: 507
type: Concept

Type of middle clouds
notation: 553
type: Concept

Aerosol volcanic ash (mass concentration)
notation: 728
type: Concept

Extinction coefficient
notation: 521
type: Concept

C2HCl3 (trichloroethene)
notation: 276
type: Concept

i-C4H10 (2-methylpropane, iso-butane)
notation: 497
type: Concept

C2F6 (hexafluoroethane, PFC-116)
notation: 419
type: Concept

Selenium (Se), total aerosol
notation: 710
type: Concept

C5H8 (cyclopentene)
notation: 465
type: Concept

Intensity of precipitation
notation: 212
type: Concept

Cadmium (Cd), PM2.5 thru PM10
notation: 686
type: Concept

Lightning distance from station
notation: 433
type: Concept

Vanadium (V)
notation: 608
type: Concept

PSC occurrence
notation: 188
type: Concept

Sum of ammonia (NH3) and ammonium (NH4+), in air and aerosol
notation: 654
type: Concept

Sulphate (SO4=), total, PM2.5
notation: 622
type: Concept

C12H8Cl6 (aldrin), in air and aerosol
notation: 377
type: Concept

Arsenic (As)
notation: 598
type: Concept

C16H10 (pyrene), in air and aerosol
notation: 345
type: Concept

C2H3O5N (peroxyacetylnitrate, PAN)
notation: 391
type: Concept

Long-wave radiation (downwelling)
notation: 566
type: Concept

C2H3Cl2F (1,1-dichloro-1-fluoroethane, HCFC-141b)
notation: 534
type: Concept

Rubidium (Rb), total aerosol
notation: 709
type: Concept

HF (hydrofluoric acid)
notation: 289
type: Concept

n-C5H12 (n-pentane)
notation: 502
type: Concept

Lightning discharge energy
notation: 257
type: Concept

Zinc (Zn), PM2.5
notation: 723
type: Concept

C6Hn (n={14, 12}; sum of 2,2-dimethylbutane & methylcyclopentane
notation: 478
type: Concept

Dew-point temperature (at specified distance from reference surface)
notation: 225
type: Concept

Surface albedo
notation: 271
type: Concept

Lithium (Li), PM2.5
notation: 699
type: Concept

C4H6 (1,3-butadiene, butadiene)
notation: 446
type: Concept

CH3CN (acetonitrile)
notation: 492
type: Concept

CH3O3S- (methanesulphonate), PM1
notation: 667
type: Concept

Hygroscopic growth factor, 165 μm equivalent
notation: 414
type: Concept

C5H10O (pentanal, valeraldehyde)
notation: 460
type: Concept

Magnesium (Mg++), PM10
notation: 635
type: Concept

Bismuth (Bi), PM2.5
notation: 681
type: Concept

Iron (Fe)
notation: 603
type: Concept

Effective radius of cloud hydrometeors
notation: 183
type: Concept

UV Multiband
notation: 358
type: Concept

Acidity-Alkalinity, total aerosol
notation: 579
type: Concept

Vertical distribution of properties
notation: 326
type: Concept

Potassium (K+)
notation: 547
type: Concept

Lightning density cloud-to-ground
notation: 12002
type: Concept

CCl3F (trichlorofluoromethane, CFC-11)
notation: 593
type: Concept

C14H10 (phenanthrene), in aerosol
notation: 340
type: Concept

CH2F2 (difluoromethane, HFC-32)
notation: 561
type: Concept

Special phenomena
notation: 56
type: Concept

Nickel (Ni), PM10
notation: 704
type: Concept

CO
notation: 284
type: Concept

C5H10 (sum of pentenes)
notation: 459
type: Concept

H2O (as a chemical species)
notation: 206
type: Concept

Integrated water vapour
notation: 252
type: Concept

C6H14 (3-methylpentane)
notation: 473
type: Concept

CO2 [C-14]
notation: 220
type: Concept

Ammonium nitrate (NH4NO3), total aerosol
notation: 648
type: Concept

Iron (Fe), total aerosol
notation: 694
type: Concept

C3H4O2 (2-oxopropanal, methylglyoxal)
notation: 441
type: Concept

Chloride (Cl-), PM2.5
notation: 616
type: Concept

CO2 [O-18]
notation: 196
type: Concept

C2H3O2- (CH3COO-, acetate), PM1
notation: 662
type: Concept

C14H10 (phenanthrene), PM10
notation: 339
type: Concept

C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, gamma-lindane, gamma-HCH), in wet precipitation
notation: 385
type: Concept

Wind (Z component, vertical)
notation: 307
type: Concept

Global solar radiation (upwelling)
notation: 574
type: Concept

Light backscattering coefficient, total aerosol
notation: 321
type: Concept

Phosphate (PO4---)
notation: 542
type: Concept

Tin (Sn), PM2.5
notation: 717
type: Concept

Aerological soundings
notation: 37
type: Concept

Beryllium [Be-7]
notation: 219
type: Concept

Past weather
notation: 265
type: Concept

C8H10 (p,m-xylene)
notation: 486
type: Concept

C5H10 (2-methyl-1-butene)
notation: 454
type: Concept

N2O
notation: 201
type: Concept

Antimony (Sb), PM2.5
notation: 675
type: Concept

Sodium (Na+), total aerosol
notation: 643
type: Concept

NOy
notation: 398
type: Concept

Mass concentration (medium), PM2.5
notation: 366
type: Concept

C13H10 (9H-fluorene, fluorene), in air
notation: 334
type: Concept

Short-wave cloud reflectance
notation: 509
type: Concept

C6Cl6 (hexachlorobenzene, HCB), in air
notation: 380
type: Concept

C2H4F2 (1,1-difluoroethane, HFC-152a)
notation: 555
type: Concept

Sulphur (S)
notation: 302
type: Concept

Hydrometeor type
notation: 523
type: Concept

CH2Cl2 (dichloromethane)
notation: 278
type: Concept

i-C5H12 (2-methylbutane, iso-pentane)
notation: 499
type: Concept

Strontium (Sr), total aerosol
notation: 712
type: Concept

C5Hn (n={12, 10}; sum of n-pentane & cyclopentane)
notation: 467
type: Concept

Rate of ice accretion
notation: 214
type: Concept

Lightning discharge type (cloud to cloud, cloud to surface)
notation: 260
type: Concept

Cerium (Ce), PM2.5
notation: 688
type: Concept

C2H2O2 (oxaldehyde, ethanedial)
notation: 435
type: Concept

C7H6O (benzene carbaldehyde)
notation: 481
type: Concept

Major chemical components (size fractionated)
notation: 656
type: Concept

Elemental carbon, PM1
notation: 624
type: Concept

C12H8Cl6 (aldrin), in wet precipitation
notation: 379
type: Concept

Carbonaceous-organic material (coarse), PM10
notation: 670
type: Concept

C18H12 (Benz(a)anthracene), in aerosol
notation: 347
type: Concept

HCN (formonitrile, hydrogen cyanide)
notation: 393
type: Concept

Ammonium (NH4+)
notation: 568
type: Concept

Aerosol Extinction Coefficient
notation: 315
type: Concept

Aerosol column burden (mass density)
notation: 361
type: Concept

C2H3F3 (1,1,1-trifluoroethane, HCFC-143a)
notation: 536
type: Concept

t-C4H8 (trans-2-butene)
notation: 504
type: Concept

Lightning discharge rates
notation: 259
type: Concept

Type of cloud
notation: 550
type: Concept

Temperature profile
notation: 227
type: Concept

UV-B radiation
notation: 273
type: Concept

C4H6O (but-3-en-2-one, methylvinylketone)
notation: 448
type: Concept

NMHC
notation: 494
type: Concept

CHO2- (HCOO-, formate), in aerosol
notation: 669
type: Concept

Hygroscopic growth factor, 50 μm equivalent
notation: 416
type: Concept

C5H12 (2,2-dimethylpropane)
notation: 462
type: Concept

Magnesium (Mg++), total aerosol
notation: 637
type: Concept

Cadmium (Cd), PM1
notation: 683
type: Concept

SO2
notation: 430
type: Concept

Manganese (Mn)
notation: 605
type: Concept

Nitrate (NO3-), PM2.5
notation: 651
type: Concept

Cloud ice (total column)
notation: 328
type: Concept

Cloud liquid water (CLW, total column)
notation: 374
type: Concept

CH3CCl3 (1,1,1-trichloroethane)
notation: 595
type: Concept

C14H10 (phenanthrene), in air and aerosol
notation: 342
type: Concept

Upper wind (X, Y components, horizontal)
notation: 310
type: Concept

Height of cloud base
notation: 531
type: Concept

Phosphorous (P), PM2.5
notation: 706
type: Concept

ClO (chlorine monoxide)
notation: 286
type: Concept

Object wetness duration
notation: 254
type: Concept

CS2 (Carbon disulfide)
notation: 429
type: Concept

Uranium (U), total aerosol
notation: 720
type: Concept

C6H14 (sum of methylpentanes)
notation: 475
type: Concept

Lead [Pb-210]
notation: 222
type: Concept

inapplicable
notation: inapplicable
type: Concept

Lanthanum (La), total aerosol
notation: 696
type: Concept

C3H6O (acetone, propanone)
notation: 443
type: Concept

Fluoride (F-), total aerosol
notation: 618
type: Concept

C2O4= (oxalate, ethanedioate), PM1
notation: 664
type: Concept

CCN concentration at single supersaturation
notation: 411
type: Concept

Calcium (Ca++), PM10
notation: 632
type: Concept

Wind (surface wind direction and speed, horizontal) - deprecated
notation: 309
type: Concept

Chromium (Cr)
notation: 600
type: Concept

Cloud cover
notation: 180
type: Concept

Acetate (CH3COO-)
notation: 576
type: Concept

Light scattering coefficient, PM10
notation: 323
type: Concept

Sulphate (SO4=), total
notation: 544
type: Concept

Uranium (U), PM2.5
notation: 719
type: Concept

Atmospheric density
notation: 39
type: Concept

C2Cl3F3 (1,1,2-trichloro-1,2,2-trifluoroethane, CFC-113)
notation: 590
type: Concept

Background luminance
notation: 267
type: Concept

C9H12 (1,3,5-trimethylbenzene)
notation: 488
type: Concept

Manganese (Mn), PM10
notation: 701
type: Concept

CH3I (methyliodide)
notation: 281
type: Concept

C5H10 (3-methyl-1-butene)
notation: 456
type: Concept

SF6
notation: 203
type: Concept

Arsenic (As), PM10
notation: 677
type: Concept

Cloud amount
notation: 179
type: Concept

C6H12O (hexanal isomers)
notation: 470
type: Concept

Ammonium (NH4+), PM10
notation: 645
type: Concept

Cobalt (Co), total aerosol
notation: 691
type: Concept

CH4 [C-13]
notation: 193
type: Concept

Mass concentration (total aerosol) or Mass TSP
notation: 368
type: Concept

C2Cl2F4 (1,2-dichlorotetrafluoroethane, CFC-114)
notation: 589
type: Concept

C14H10 (anthracene), in aerosol
notation: 336
type: Concept

C6H6Cl6 (1,2,3,4,5,6-hexachlorocyclohexane, alpha-lindane, alpha-HCH), in air
notation: 382
type: Concept

unknown
notation: unknown
type: Concept

C3H2F6 (1,1,1,2,3,3-hexafluoropropane, HFC-236fa)
notation: 557
type: Concept

Direction of cloud movement
notation: 304
type: Concept

C18H12 (Benz(a)anthracene), in precipitation
notation: 350
type: Concept

Meteorological Optical Range
notation: 525
type: Concept

Diffuse solar radiation
notation: 571
type: Concept

Transport calculations (e.g., trajectories)
notation: 248
type: Concept

Thallium (Tl), total aerosol
notation: 714
type: Concept

Acidity-Alkalinity
notation: 294
type: Concept

C6H12 (methylcyclopentane)
notation: 469
type: Concept

Atmospheric pressure
notation: 216
type: Concept

Surface ozone
notation: 262
type: Concept

C2H6 (ethane)
notation: 437
type: Concept

C8H10 (ethylbenzene)
notation: 483
type: Concept

Visibility
notation: 230
type: Concept

Major inorganic components (coarse)
notation: 658
type: Concept

C4H8O (butan-2-one, methylethylketone)
notation: 451
type: Concept

Total carbon (coarse), PM10
notation: 626
type: Concept

Titanium (Ti), total aerosol
notation: 672
type: Concept

C18H12 (Benz(a)anthracene), in air and aerosol
notation: 349
type: Concept

Potassium (K+), total aerosol
notation: 640
type: Concept

NO
notation: 395
type: Concept

Light absorption coefficient, PM10
notation: 317
type: Concept

Bromide (Br-)
notation: 538
type: Concept

Icing potential
notation: 331
type: Concept

Cloud optical depth
notation: 506
type: Concept

Type of low clouds
notation: 552
type: Concept

Aerosol dust concentration (mass)
notation: 727
type: Concept

Runway visual range
notation: 229
type: Concept

C2Cl4 (tetrachloroethene)
notation: 275
type: Concept

c-C5H10 (cis-2-pentene)
notation: 496
type: Concept

Hygroscopic growth factor, total aerosol
notation: 418
type: Concept

C5H8 (2-methyl-1,3-butadiene, isoprene)
notation: 464
type: Concept

Duration of precipitation
notation: 211
type: Concept

Potassium (K+), PM2.5
notation: 639
type: Concept

Cadmium (Cd), PM2.5
notation: 685
type: Concept

Lightning direction from station
notation: 432
type: Concept

Nickel (Ni)
notation: 607
type: Concept

Nitrite (NO2-), total aerosol
notation: 653
type: Concept

Sulphate (SO4=), total, PM10
notation: 621
type: Concept

C12H8Cl6 (aldrin), in air
notation: 376
type: Concept

Horizontal wind speed at specified distance from reference surface
notation: 12006
type: Concept

Aluminium (Al)
notation: 597
type: Concept

C14H10 (phenanthrene), in total precipitation
notation: 344
type: Concept

Ammonia (NH3)
notation: 390
type: Concept

Long-wave radiation (direction unspecified)
notation: 565
type: Concept

Height of inversion
notation: 533
type: Concept

Rubidium (Rb), PM2.5
notation: 708
type: Concept