Site | State | PM AQI* (ug/m3) |
Maple Falls-Azure Way | WA | 13 |
John Day Dayton St | OR | 12 |
Tacoma-S 36th St | WA | 10 |
Tacoma-L St | WA | 10 |
Wellpinit-Spokane Tribe | WA | 9 |
Spokane-Augusta Ave | WA | 8 |
Seattle-South Park | WA | 8 |
Vancouver-NE 84th Ave | WA | 8 |
Seattle-10th & Weller | WA | 8 |
Portland Near Road | OR | 8 |