Site | State | PM AQI* (ug/m3) |
Omak-Colville Tribe | WA | 16 |
Maple Falls-Azure Way | WA | 15 |
Ontario May Roberts Element... | OR | 14 |
Burns - Washington St. | OR | 13 |
Colville-E 1st St | WA | 12 |
Prineville - Davidson Park | OR | 11 |
Medford Welch & Jackson | OR | 11 |
Leavenworth-Evans St | WA | 10 |
Bellingham Pacific | WA | 9 |
Klamath Falls - Peterson Sc... | OR | 9 |