Air Quality Analysis Station Rankings
| Rank | Name | PM2.5 (μg/m³) |
|---|---|---|
| 391 | Newmarket (Ontario) | 1 |
| 391 | Oakville (Ontario) | 1 |
| 391 | Oshawa (Ontario) | 1 |
| 391 | Parry Sound (Ontario) | 1 |
| 391 | Peterborough (Ontario) | 1 |
| 391 | Port Stanley (Ontario) | 1 |
| 391 | St. Catharines (Ontario) | 1 |
| 391 | Sudbury (Ontario) | 1 |
| 391 | Tiverton (Ontario) | 1 |
| 410 | Hamilton Downtown (Ontario) | 1 |
| Rank | Name | Province | City | PM2.5 (μg/m³) | ||
|---|---|---|---|---|---|---|
| 391 |
|
Newmarket (Ontario) | Ontario | Newmarket | 1 | |
| 391 |
|
Oakville (Ontario) | Ontario | Oakville | 1 | |
| 391 |
|
Oshawa (Ontario) | Ontario | Oshawa | 1 | |
| 391 |
|
Parry Sound (Ontario) | Ontario | Parry Sound | 1 | |
| 391 |
|
Peterborough (Ontario) | Ontario | Peterborough | 1 | |
| 391 |
|
Port Stanley (Ontario) | Ontario | Union | 1 | |
| 391 |
|
St. Catharines (Ontario) | Ontario | St. Catharines | 1 | |
| 391 |
|
Sudbury (Ontario) | Ontario | Greater Sudbury | 1 | |
| 391 |
|
Tiverton (Ontario) | Ontario | Tiverton | 1 | |
| 410 |
|
Hamilton Downtown (Ontario) | Ontario | Hamilton | 1 |
