SimilarityRank
particulate 0.777 32316
particulates 0.729 55487
ppb 0.727 68647
pollutant 0.721 41997
NOx 0.718 55787
ozone 0.698 18222
SO2 0.695 90224
emission 0.692 13146
pollutants 0.689 16074
emissions 0.689 4569
pollution 0.689 5841
contaminant 0.666 45441
turbidity 0.663 71435
radioactivity 0.661 42842
dioxide 0.659 10273
GHGs 0.657 91201
VOCs 0.652 56195
PAHs 0.651 93057
CO2 0.648 9992
cesium 0.647 91358
GHG 0.646 30079
ppm 0.646 23860
arsenic 0.643 26971
precipitation 0.640 20056
oxides 0.639 42880