Site | State | PM AQI* (ug/m3) |
Maple Falls-Azure Way | WA | 14 |
Estacada Clackamas River El... | OR | 13 |
Colville-E 1st St | WA | 10 |
Newport-Calispel | WA | 9 |
Omak-Colville Tribe | WA | 9 |
John Day Dayton St | OR | 7 |
Hillsboro - Hare Field | OR | 7 |
Marysville-7th Ave | WA | 7 |
Wellpinit-Spokane Tribe | WA | 7 |
Portland - SE Lafayette | OR | 7 |