Industry Rankings
| Rank | Name | PM2.5 - Particulate Matter <= 2.5 Micrometers |
|---|---|---|
| 941 | Thunder Bay - Richardson International Ltd. | 4.21 |
| 941 | Oshawa Assembly Plant - General Motors of Canada Company | 4.21 |
| 941 | Marten Hills Oil MWB 05-25-075-26W4 - Tamarack Acquisition Corp. | 4.21 |
| 941 | Resthaven 3-16 Gas Plant - Tourmaline Oil Corp | 4.21 |
| 945 | Flakeboard - Arauco Canada Limited | 4.20 |
| 945 | Loewen - C.P. Loewen Enterprises Ltd. | 4.20 |
| 945 | Serafina Hamilin Terminal - Strathcona Resources Ltd. | 4.20 |
| 948 | Centrale de Puvirnituq - Hydro-Québec | 4.19 |
| 949 | Galloway Sour Gas Plant 14-14-053-20W5 - Canadian Natural Resources Limited | 4.18 |
| 949 | Alberta Capital Region Wastewater Commission Treatment Plant - Alberta Capital Region Wastewater Commision | 4.18 |
| Rank | Name | Province | City | PM2.5 - Particulate Matter <= 2.5 Micrometers | |
|---|---|---|---|---|---|
| 941 | Thunder Bay - Richardson International Ltd. | Ontario | Thunder Bay | 4.21 | |
| 941 | Oshawa Assembly Plant - General Motors of Canada Company | Ontario | Oshawa | 4.21 | |
| 941 | Marten Hills Oil MWB 05-25-075-26W4 - Tamarack Acquisition Corp. | Alberta | Smith | 4.21 | |
| 941 | Resthaven 3-16 Gas Plant - Tourmaline Oil Corp | Alberta | Calgary | 4.21 | |
| 945 | Flakeboard - Arauco Canada Limited | New Brunswick | St. Stephen | 4.20 | |
| 945 | Loewen - C.P. Loewen Enterprises Ltd. | Manitoba | Steinbach | 4.20 | |
| 945 | Serafina Hamilin Terminal - Strathcona Resources Ltd. | Saskatchewan | Hamlin | 4.20 | |
| 948 | Centrale de Puvirnituq - Hydro-Québec | Quebec | Puvirnituq | 4.19 | |
| 949 | Galloway Sour Gas Plant 14-14-053-20W5 - Canadian Natural Resources Limited | Alberta | MARLBORO | 4.18 | |
| 949 | Alberta Capital Region Wastewater Commission Treatment Plant - Alberta Capital Region Wastewater Commision | Alberta | Fort Saskatchewan | 4.18 |
