Site | State | PM AQI* (ug/m3) |
Spokane-Augusta Ave | WA | 11 |
Toppenish-Yakama Tribe | WA | 10 |
Sunnyside-S 16th | WA | 9 |
Omak-Colville Tribe | WA | 9 |
Colville-E 1st St | WA | 9 |
Clarkston-13th St | WA | 8 |
Colbert-Greenbluff | WA | 8 |
Spokane-E Broadway Ave (US) | WA | 8 |
Spokane-Monroe St. | WA | 7 |
Marysville-7th Ave | WA | 7 |