SimilarityRank
NOx 0.545 71494
particulate_matter 0.521 54856
air_pollutant 0.520 77087
ozone 0.506 18722
sulfur_dioxide 0.498 93673
pollutant 0.494 14162
carbon_monoxide 0.489 39006
PAH 0.479 66323
particulate 0.473 43599
nitrogen_oxide 0.469 78932
benzene 0.463 50027
formaldehyde 0.462 47313
toluene 0.461 94465
soot 0.461 42732
ammonia 0.453 28243
aerosol 0.448 20834
solvent 0.439 14169
hazardous_substance 0.438 62680
organic_compound 0.435 62871
scrubber 0.435 97588
dioxin 0.432 55824
GHG 0.432 70082
odor 0.429 19913
greenhouse_gas 0.427 18514
fume 0.425 27873