Site | State | PM AQI* (ug/m3) |
Maple Falls-Azure Way | WA | 14 |
Marysville-7th Ave | WA | 9 |
Oakridge - Willamette Activ... | OR | 9 |
Tacoma-L St | WA | 9 |
Seattle-Duwamish | WA | 8 |
Cottage Grove City Shops | OR | 8 |
Seattle-South Park | WA | 8 |
John Day Dayton St | OR | 7 |
Eugene - Highway 99 | OR | 6 |
Tukwila_Allentown | WA | 6 |