Air Quality Analysis Station Rankings
| Rank | Name | PM2.5 (μg/m³) |
|---|---|---|
| 250 | Sudbury (Ontario) | 4 |
| 250 | St. Catharines (Ontario) | 4 |
| 250 | Sault Ste. Marie (Ontario) | 4 |
| 250 | Sarnia (Ontario) | 4 |
| 250 | North Bay (Ontario) | 4 |
| 250 | Newmarket (Ontario) | 4 |
| 250 | Mississauga (Ontario) | 4 |
| 250 | Grand Bend (Ontario) | 4 |
| 250 | Dorset (Ontario) | 4 |
| 250 | Cornwall (Ontario) | 4 |
| Rank | Name | Province | City | PM2.5 (μg/m³) | ||
|---|---|---|---|---|---|---|
| 250 |
|
Sudbury (Ontario) | Ontario | Greater Sudbury | 4 | |
| 250 |
|
St. Catharines (Ontario) | Ontario | St. Catharines | 4 | |
| 250 |
|
Sault Ste. Marie (Ontario) | Ontario | Sault Ste. Marie | 4 | |
| 250 |
|
Sarnia (Ontario) | Ontario | Sarnia | 4 | |
| 250 |
|
North Bay (Ontario) | Ontario | North Bay | 4 | |
| 250 |
|
Newmarket (Ontario) | Ontario | Newmarket | 4 | |
| 250 |
|
Mississauga (Ontario) | Ontario | Mississauga | 4 | |
| 250 |
|
Grand Bend (Ontario) | Ontario | Grand Bend | 4 | |
| 250 |
|
Dorset (Ontario) | Ontario | Baysville | 4 | |
| 250 |
|
Cornwall (Ontario) | Ontario | Cornwall | 4 |
