Industry Rankings
| Rank | Name | PM2.5 - Particulate Matter <= 2.5 Micrometers |
|---|---|---|
| 541 | Mosport Pit - Dufferin Aggregates, a Division of CRH Canada Group Inc. | 5.16 |
| 541 | Windsor Plant - Windsor Salt Ltd. | 5.16 |
| 543 | Plasman Plastics Inc. - Tecumseh Manufacturing - Plasman Inc. | 5.15 |
| 544 | W.R. Grace Canada Corp. - W. R. Grace Canada Corp. | 5.11 |
| 545 | Brampton Assembly Plant - FCA Canada Inc. | 5.10 |
| 546 | Pine River Sour Gas Plant C-085-D - Canadian Natural Resources Limited | 5.07 |
| 546 | Usine de PCC de Windsor - Mintech Canada Ltd. | 5.07 |
| 548 | Buck Creek Fractionation Plant - Plains Midstream Canada ULC | 5.05 |
| 549 | Chetwynd Forest Industries, a division of West Fraser Mills Ltd. - West Fraser Mills Ltd. | 5.04 |
| 549 | Canadian Linen & Uniform Service - D16 - Canadian Linen & Uniform Service | 5.04 |
| Rank | Name | Province | City | PM2.5 - Particulate Matter <= 2.5 Micrometers | |
|---|---|---|---|---|---|
| 541 | Mosport Pit - Dufferin Aggregates, a Division of CRH Canada Group Inc. | Ontario | Orono | 5.16 | |
| 541 | Windsor Plant - Windsor Salt Ltd. | Ontario | Windsor | 5.16 | |
| 543 | Plasman Plastics Inc. - Tecumseh Manufacturing - Plasman Inc. | Ontario | Tecumseh | 5.15 | |
| 544 | W.R. Grace Canada Corp. - W. R. Grace Canada Corp. | Quebec | Salaberry-de-Valleyfield | 5.11 | |
| 545 | Brampton Assembly Plant - FCA Canada Inc. | Ontario | Brampton | 5.10 | |
| 546 | Pine River Sour Gas Plant C-085-D - Canadian Natural Resources Limited | British Columbia | Peace River District | 5.07 | |
| 546 | Usine de PCC de Windsor - Mintech Canada Ltd. | Quebec | Windsor | 5.07 | |
| 548 | Buck Creek Fractionation Plant - Plains Midstream Canada ULC | Alberta | Drayton Valley | 5.05 | |
| 549 | Chetwynd Forest Industries, a division of West Fraser Mills Ltd. - West Fraser Mills Ltd. | British Columbia | Chetwynd | 5.04 | |
| 549 | Canadian Linen & Uniform Service - D16 - Canadian Linen & Uniform Service | Ontario | Etobicoke | 5.04 |
