Site | State | PM AQI* (ug/m3) |
Omak-Colville Tribe | WA | 6 |
Maple Falls-Azure Way | WA | 6 |
Seattle-South Park | WA | 5 |
John Day Dayton St | OR | 5 |
Toppenish-Yakama Tribe | WA | 5 |
Bremerton-Spruce Ave | WA | 4 |
Airway Heights-West 12th (US) | WA | 4 |
Seattle-Duwamish | WA | 4 |
Marysville-7th Ave | WA | 4 |
Spokane-Augusta Ave | WA | 4 |