Industry Rankings
| Rank | Name | PM2.5 - Particulate Matter <= 2.5 Micrometers |
|---|---|---|
| 931 | Wynyard - Compass Minerals Wynyard Inc. | 4.30 |
| 932 | Perryvale East (Meanook) Oil MWB 09-23-063-22W4 - Tamarack Acquisition Corp. | 4.28 |
| 933 | Edmonton Site - Celanese Canada ULC. | 4.27 |
| 933 | Lafarge Canada, Inc., Greater Calgary, Spy Hill Aggregates - Lafarge Canada Inc. - WEST | 4.27 |
| 935 | Smithers Sawmill - Pacific Inland Resources, a division of West Fraser Mills Ltd. | 4.26 |
| 935 | WLE HORSESHOE LK 10-32-39-05W4 MWB - West Lake Energy Corp | 4.26 |
| 937 | Johnstown - Greenfield Global Inc. | 4.24 |
| 937 | Lethbridge - Richardson Oilseed Ltd. | 4.24 |
| 939 | Ranger Board, a division of West Fraser Mills Ltd. - West Fraser Mills Ltd. | 4.22 |
| 939 | CALANA HUSKY DODSLAND 04-06 - ISH Energy Ltd. | 4.22 |
| Rank | Name | Province | City | PM2.5 - Particulate Matter <= 2.5 Micrometers | |
|---|---|---|---|---|---|
| 931 | Wynyard - Compass Minerals Wynyard Inc. | Saskatchewan | Wynyard | 4.30 | |
| 932 | Perryvale East (Meanook) Oil MWB 09-23-063-22W4 - Tamarack Acquisition Corp. | Alberta | Perryvale | 4.28 | |
| 933 | Edmonton Site - Celanese Canada ULC. | Alberta | Edmonton | 4.27 | |
| 933 | Lafarge Canada, Inc., Greater Calgary, Spy Hill Aggregates - Lafarge Canada Inc. - WEST | Alberta | Calgary | 4.27 | |
| 935 | Smithers Sawmill - Pacific Inland Resources, a division of West Fraser Mills Ltd. | British Columbia | Smithers | 4.26 | |
| 935 | WLE HORSESHOE LK 10-32-39-05W4 MWB - West Lake Energy Corp | Alberta | Metiskow | 4.26 | |
| 937 | Johnstown - Greenfield Global Inc. | Ontario | Johnstown | 4.24 | |
| 937 | Lethbridge - Richardson Oilseed Ltd. | Alberta | Lethbridge | 4.24 | |
| 939 | Ranger Board, a division of West Fraser Mills Ltd. - West Fraser Mills Ltd. | Alberta | Blue Ridge | 4.22 | |
| 939 | CALANA HUSKY DODSLAND 04-06 - ISH Energy Ltd. | Saskatchewan | Winslow | 4.22 |
