Industry Rankings
| Rank | Name | PM2.5 - Particulate Matter <= 2.5 Micrometers |
|---|---|---|
| 151 | Valleyfield - National Silicates Partnership | 44.55 |
| 152 | St. Marys Cement Plant - St. Marys Cement Inc. (Canada) | 44.29 |
| 153 | Plant #31 Brampton - O-I Canada Corp. | 44.25 |
| 154 | Copper Cliff Smelter - Vale Canada Limited | 44.11 |
| 155 | Coal Valley Mine - Prairie Mines & Royalty ULC | 43.95 |
| 156 | Vanscoy Potash Operations - Agrium Potash Ltd. | 43.52 |
| 157 | ROXUL Inc. - ROXUL Inc. | 42.78 |
| 158 | Uniboard Canada inc, usine Sayabec - Uniboard Canada Inc | 42.70 |
| 159 | Trail Operations - Teck Metals Ltd. | 39.97 |
| 160 | Keephills Thermal Electric Power Generating Plant - TransAlta Generation Partnership | 39.91 |
| Rank | Name | Province | City | PM2.5 - Particulate Matter <= 2.5 Micrometers | |
|---|---|---|---|---|---|
| 151 | Valleyfield - National Silicates Partnership | Quebec | Salaberry-de-Valleyfield | 44.55 | |
| 152 | St. Marys Cement Plant - St. Marys Cement Inc. (Canada) | Ontario | St Marys | 44.29 | |
| 153 | Plant #31 Brampton - O-I Canada Corp. | Ontario | Brampton | 44.25 | |
| 154 | Copper Cliff Smelter - Vale Canada Limited | Ontario | Copper Cliff | 44.11 | |
| 155 | Coal Valley Mine - Prairie Mines & Royalty ULC | Alberta | Edson | 43.95 | |
| 156 | Vanscoy Potash Operations - Agrium Potash Ltd. | Saskatchewan | Vanscoy | 43.52 | |
| 157 | ROXUL Inc. - ROXUL Inc. | Ontario | Milton | 42.78 | |
| 158 | Uniboard Canada inc, usine Sayabec - Uniboard Canada Inc | Quebec | Sayabec | 42.70 | |
| 159 | Trail Operations - Teck Metals Ltd. | British Columbia | Trail | 39.97 | |
| 160 | Keephills Thermal Electric Power Generating Plant - TransAlta Generation Partnership | Alberta | Duffield | 39.91 |