Air Quality Analysis Station Rankings
| Rank | Name | PM2.5 (μg/m³) |
|---|---|---|
| 249 | Ottawa Downtown (Ontario) | 1 |
| 249 | Sudbury (Ontario) | 1 |
| 249 | Thunder Bay (Ontario) | 1 |
| 254 | Sudbury (FRM) | 1 |
| 254 | Point Blake Conservation Area Grand Bend (FRM) | 1 |
| 254 | Ottawa Downtown (FRM) | 1 |
| 254 | Montréal-Caserne 17 (FRM) | 1 |
| 254 | HWY 117 & Paint Lake Road Dorset (FRM) | 1 |
| 254 | Fredericton-Needham St. (FRM) | 1 |
| 254 | Roy (FRM) | 1 |
| Rank | Name | Province | City | PM2.5 (μg/m³) | ||
|---|---|---|---|---|---|---|
| 249 |
|
Ottawa Downtown (Ontario) | Ontario | Ottawa | 1 | |
| 249 |
|
Sudbury (Ontario) | Ontario | Greater Sudbury | 1 | |
| 249 |
|
Thunder Bay (Ontario) | Ontario | Thunder Bay | 1 | |
| 254 |
|
Sudbury (FRM) | Ontario | Greater Sudbury | 1 | |
| 254 |
|
Point Blake Conservation Area Grand Bend (FRM) | Ontario | Grand Bend | 1 | |
| 254 |
|
Ottawa Downtown (FRM) | Ontario | Ottawa | 1 | |
| 254 |
|
Montréal-Caserne 17 (FRM) | Quebec | Montréal | 1 | |
| 254 |
|
HWY 117 & Paint Lake Road Dorset (FRM) | Ontario | Baysville | 1 | |
| 254 |
|
Fredericton-Needham St. (FRM) | New Brunswick | Fredericton | 1 | |
| 254 |
|
Roy (FRM) | Quebec | Trois-Rivières | 1 |
