Industry Rankings
| Rank | Name | PM2.5 - Particulate Matter <= 2.5 Micrometers |
|---|---|---|
| 701 | Spray Lake Sawmills (1980) Ltd. - Spray Lake Sawmills (1980) Ltd. | 3.33 |
| 702 | Scotford Upgrader and Upgrader Cogeneration - Shell Canada Energy Limited | 3.32 |
| 703 | OTTAWA VALLEY WASTE RECOVERY CENTRE - Ottawa Valley Waste Management Board | 3.31 |
| 704 | Bradken Foundry - Bradken Canada Manufactured Products Ltd. | 3.30 |
| 704 | Sandy Lake Diesel Generating Station - Hydro One Remote Communities Inc. | 3.30 |
| 706 | Établissement 05 - Pratt & Whitney Canada Inc. | 3.29 |
| 707 | Centrale de Salluit - Hydro-Québec | 3.27 |
| 708 | Lake Foundry (2020) Ltd. - Lake Foundry (2020) Ltd. | 3.26 |
| 708 | Alliance Grain Terminal Ltd - Alliance Grain Terminal Ltd | 3.26 |
| 710 | Howard Division - Flex N Gate | 3.21 |
| Rank | Name | Province | City | PM2.5 - Particulate Matter <= 2.5 Micrometers | |
|---|---|---|---|---|---|
| 701 | Spray Lake Sawmills (1980) Ltd. - Spray Lake Sawmills (1980) Ltd. | Alberta | Cochrane | 3.33 | |
| 702 | Scotford Upgrader and Upgrader Cogeneration - Shell Canada Energy Limited | Alberta | Fort Saskatchewan | 3.32 | |
| 703 | OTTAWA VALLEY WASTE RECOVERY CENTRE - Ottawa Valley Waste Management Board | Ontario | Pembroke | 3.31 | |
| 704 | Bradken Foundry - Bradken Canada Manufactured Products Ltd. | Ontario | London | 3.30 | |
| 704 | Sandy Lake Diesel Generating Station - Hydro One Remote Communities Inc. | Ontario | Sandy Lake | 3.30 | |
| 706 | Établissement 05 - Pratt & Whitney Canada Inc. | Quebec | Saint-Hubert | 3.29 | |
| 707 | Centrale de Salluit - Hydro-Québec | Quebec | Salluit | 3.27 | |
| 708 | Lake Foundry (2020) Ltd. - Lake Foundry (2020) Ltd. | Ontario | Grimsby | 3.26 | |
| 708 | Alliance Grain Terminal Ltd - Alliance Grain Terminal Ltd | British Columbia | Vancouver | 3.26 | |
| 710 | Howard Division - Flex N Gate | Ontario | Windsor | 3.21 |