Site | State | PM AQI* (ug/m3) |
Bozeman High School | MT | 18 |
Billlings Lockwood | MT | 15 |
Great Falls Overlook Park | MT | 15 |
Seeley Elementary School | MT | 14 |
Dillon | MT | 14 |
Pinehurst | ID | 14 |
Libby Courthouse | MT | 13 |
St. Maries | ID | 13 |
Rossiter Pump House | MT | 12 |
Butte Greely School | MT | 12 |