Site | State | PM AQI* (ug/m3) |
Maple Falls-Azure Way | WA | 31 |
Tacoma-L St | WA | 23 |
John Day Dayton St | OR | 23 |
Omak-Colville Tribe | WA | 21 |
Oakridge - Willamette Activ... | OR | 20 |
Seattle-South Park | WA | 19 |
Tukwila_Allentown | WA | 18 |
Kent-James & Central | WA | 18 |
Seattle-Duwamish | WA | 18 |
Mill City | OR | 18 |