SimilarityRank
particulate 0.723 43599
particulate_matter 0.721 54856
sulfur_dioxide 0.697 93673
air_pollutant 0.693 77087
smog 0.685 39059
nitrogen_oxide 0.679 78932
fume 0.670 27873
NOx 0.663 71494
carbon_monoxide 0.655 39006
smoke_from 0.653 59694
dust 0.651 3734
vapor 0.642 29093
pollutant 0.640 14162
combustion 0.637 26558
ozone 0.637 18722
sulphur 0.630 51354
sulfur 0.628 33667
air_pollution 0.623 13199
combustion_of 0.619 77006
emission 0.612 4559
methane 0.608 14641
aerosol 0.603 20834
pollution_from 0.596 77604
emission_from 0.594 32492
water_vapor 0.593 40856