Site | State | PM AQI* (ug/m3) |
St. Maries | ID | 17 |
Seeley Elementary School | MT | 15 |
LaGrande Cannon | MT | 13 |
Butte Greely School | MT | 13 |
Pinehurst | ID | 12 |
Columbia Falls | MT | 12 |
Libby Courthouse | MT | 11 |
Grangeville | ID | 10 |
Rossiter Pump House | MT | 10 |
Bozeman High School | MT | 9 |