Site | State | PM AQI* (ug/m3) |
Winthrop-Chewuch Rd | WA | 97 |
Enterprise - US Forest Service | OR | 57 |
Silver Lake | OR | 54 |
Baker City - Forest Service | OR | 39 |
Clarkston-13th St | WA | 36 |
Cove - City Hall | OR | 32 |
Ontario May Roberts Element... | OR | 31 |
Bly-61100 Highway 140 E | OR | 27 |
Twisp-Ewell St | WA | 26 |
Pullman-Dexter Ave | WA | 21 |