Industry Rankings
| Rank | Name | PM2.5 - Particulate Matter <= 2.5 Micrometers |
|---|---|---|
| 1971 | Sturgeon Refinery - North West Redwater Partnership | 1.09 |
| 1971 | BLV Aggregate - BURNCO Rock Products Ltd | 1.09 |
| 1971 | SKBT0011749 - Vermilion Energy Inc. | 1.09 |
| 1971 | Altares C-65-G Gas Plant - PETRONAS Energy Canada Ltd. | 1.09 |
| 1971 | Boundary Lake North 06-29-087-14W6 - Enercapita Energy Ltd. | 1.09 |
| 1971 | Huntley Quarry - West Carleton Sand & Gravel Inc. | 1.09 |
| 1971 | Lindberg Oil SWB 06-35-053-06W4 - Cenovus Energy Inc. | 1.09 |
| 1971 | Martin Hills Core 12-29 - Headwater Exploration Incorporated | 1.09 |
| 1979 | P & H Milling Group - Hanover - P & H Milling Group a Division of Parrish & Heimbecker Limited | 1.08 |
| 1979 | Main Plant - The Raywal Limited Partnership | 1.08 |
| Rank | Name | Province | City | PM2.5 - Particulate Matter <= 2.5 Micrometers | |
|---|---|---|---|---|---|
| 1971 | Sturgeon Refinery - North West Redwater Partnership | Alberta | Gibbons | 1.09 | |
| 1971 | BLV Aggregate - BURNCO Rock Products Ltd | Alberta | Calgary | 1.09 | |
| 1971 | SKBT0011749 - Vermilion Energy Inc. | Saskatchewan | Frobisher | 1.09 | |
| 1971 | Altares C-65-G Gas Plant - PETRONAS Energy Canada Ltd. | British Columbia | Altares | 1.09 | |
| 1971 | Boundary Lake North 06-29-087-14W6 - Enercapita Energy Ltd. | British Columbia | Altona | 1.09 | |
| 1971 | Huntley Quarry - West Carleton Sand & Gravel Inc. | Ontario | Carp | 1.09 | |
| 1971 | Lindberg Oil SWB 06-35-053-06W4 - Cenovus Energy Inc. | Alberta | Rusylvia | 1.09 | |
| 1971 | Martin Hills Core 12-29 - Headwater Exploration Incorporated | Alberta | Martin Hills | 1.09 | |
| 1979 | P & H Milling Group - Hanover - P & H Milling Group a Division of Parrish & Heimbecker Limited | Ontario | Hanover | 1.08 | |
| 1979 | Main Plant - The Raywal Limited Partnership | Ontario | Thornhill | 1.08 |
