Site | State | PM AQI* (ug/m3) |
Winthrop-Chewuch Rd | WA | 115 |
Twisp-Ewell St | WA | 75 |
Oroville-1117 Main St | WA | 46 |
Colville-E 1st St | WA | 32 |
Pomeroy-Pataha St | WA | 23 |
Clarkston-13th St | WA | 21 |
Omak-Colville Tribe | WA | 20 |
Enterprise - US Forest Service | OR | 19 |
Dayton-W Main | WA | 19 |
Cove - City Hall | OR | 15 |