Air Quality Analysis Station Rankings
| Rank | Name | PM2.5 (μg/m³) |
|---|---|---|
| 411 | St. Catharines (Ontario) | 1 |
| 411 | Tiverton (Ontario) | 1 |
| 423 | Temiscaming (FRM) | 1 |
| 423 | Rouyn-Noranda, Parc Tremblay (FRM) | 1 |
| 423 | West Ave. & Homewood Kitchener (FRM) | 1 |
| 423 | Point Blake Conservation Area Grand Bend (FRM) | 1 |
| 423 | Milton (FRM) | 1 |
| 423 | HWY 117 & Paint Lake Road Dorset (FRM) | 1 |
| 423 | Firehall-Labradorcity2 (FRM) | 1 |
| 423 | Elgin Water Treatment Plant Port Stanley (FRM) | 1 |
| Rank | Name | Province | City | PM2.5 (μg/m³) | ||
|---|---|---|---|---|---|---|
| 411 |
|
St. Catharines (Ontario) | Ontario | St. Catharines | 1 | |
| 411 |
|
Tiverton (Ontario) | Ontario | Tiverton | 1 | |
| 423 |
|
Temiscaming (FRM) | Quebec | Témiscaming | 1 | |
| 423 |
|
Rouyn-Noranda, Parc Tremblay (FRM) | Quebec | Rouyn-Noranda | 1 | |
| 423 |
|
West Ave. & Homewood Kitchener (FRM) | Ontario | Kitchener | 1 | |
| 423 |
|
Point Blake Conservation Area Grand Bend (FRM) | Ontario | Grand Bend | 1 | |
| 423 |
|
Milton (FRM) | Ontario | Milton | 1 | |
| 423 |
|
HWY 117 & Paint Lake Road Dorset (FRM) | Ontario | Baysville | 1 | |
| 423 |
|
Firehall-Labradorcity2 (FRM) | Newfoundland and Labrador | Labrador City | 1 | |
| 423 |
|
Elgin Water Treatment Plant Port Stanley (FRM) | Ontario | Union | 1 |
