Industry Rankings
| Rank | Name | PM2.5 - Particulate Matter <= 2.5 Micrometers |
|---|---|---|
| 811 | Lake Foundry (2020) Ltd. - Lake Foundry (2020) Ltd. | 5.25 |
| 811 | Princeville - Commonwealth Plywood Co. Ltd. | 5.25 |
| 811 | Cox Quarry - Mainland Construction Materials ULC | 5.25 |
| 814 | G3 Canada Limited - Pasqua - G3 Canada Limited | 5.23 |
| 814 | Plant A - Vari-Form | 5.23 |
| 816 | East Nipisi Oil MWB 09-19-076-06W5 - Tamarack Acquisition Corp. | 5.22 |
| 816 | Golden Lake Oil Multi Well Battery 14-13-047-23W3 - Cenovus Energy Inc. | 5.22 |
| 818 | Laprise Gas Plant - Tourmaline Oil Corp | 5.20 |
| 818 | 4 CDSB - Garrison Petawawa - DEPARTMENT OF NATIONAL DEFENCE | 5.20 |
| 820 | GDS Valoribois inc. (Div. Lac-au-Saumon) - G.D.S. Valoribois Inc. | 5.17 |
| Rank | Name | Province | City | PM2.5 - Particulate Matter <= 2.5 Micrometers | |
|---|---|---|---|---|---|
| 811 | Lake Foundry (2020) Ltd. - Lake Foundry (2020) Ltd. | Ontario | Grimsby | 5.25 | |
| 811 | Princeville - Commonwealth Plywood Co. Ltd. | Quebec | Princeville | 5.25 | |
| 811 | Cox Quarry - Mainland Construction Materials ULC | British Columbia | Abbotsford | 5.25 | |
| 814 | G3 Canada Limited - Pasqua - G3 Canada Limited | Saskatchewan | Moose Jaw | 5.23 | |
| 814 | Plant A - Vari-Form | Ontario | Strathroy | 5.23 | |
| 816 | East Nipisi Oil MWB 09-19-076-06W5 - Tamarack Acquisition Corp. | Alberta | Widewater | 5.22 | |
| 816 | Golden Lake Oil Multi Well Battery 14-13-047-23W3 - Cenovus Energy Inc. | Saskatchewan | Maidstone | 5.22 | |
| 818 | Laprise Gas Plant - Tourmaline Oil Corp | British Columbia | Calgary | 5.20 | |
| 818 | 4 CDSB - Garrison Petawawa - DEPARTMENT OF NATIONAL DEFENCE | Ontario | Petawawa | 5.20 | |
| 820 | GDS Valoribois inc. (Div. Lac-au-Saumon) - G.D.S. Valoribois Inc. | Quebec | Lac-au-Saumon | 5.17 |
