Site | State | PM AQI* (ug/m3) |
Colville-E 1st St | WA | 15 |
Winthrop-Chewuch Rd | WA | 11 |
Maple Falls-Azure Way | WA | 10 |
Roseburg - Garden Valley Blvd. | OR | 10 |
Twisp-Glover St | WA | 10 |
Portland - SE Lafayette | OR | 10 |
Spokane-Augusta Ave | WA | 10 |
Burns - Washington St. | OR | 9 |
Cave Junction Forest Service | OR | 9 |
Sweet Home - Fire Department | OR | 9 |