| Similarity | Rank | |
|---|---|---|
| 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 |