SimilarityRank
particulate_matter 0.860 54856
small_particle 0.742 93714
pollutant 0.738 14162
sulfur_dioxide 0.732 93673
air_pollutant 0.726 77087
nitrogen_oxide 0.725 78932
soot 0.723 42732
NOx 0.722 71494
particle 0.709 4733
contaminant 0.701 17936
ozone 0.698 18722
aerosol 0.697 20834
vapor 0.694 29093
these_particle 0.672 95022
water_vapor 0.672 40856
organic_compound 0.653 62871
carbon_monoxide 0.653 39006
water_vapour 0.638 85308
carbon_dioxide 0.634 11994
smog 0.633 39059
air_pollution 0.631 13199
particle_size 0.631 56244
formaldehyde 0.623 47313
ammonia 0.622 28243
dust 0.621 3734