Site | State | PM AQI* (ug/m3) |
Marysville-7th Ave | WA | 26 |
Tacoma-L St | WA | 23 |
Portland - SE Lafayette | OR | 23 |
Klamath Falls - Peterson Sc... | OR | 19 |
Tacoma-S 36th St | WA | 17 |
Seattle-Duwamish | WA | 17 |
Maple Falls-Azure Way | WA | 17 |
Kent-James & Central | WA | 17 |
Vancouver-NE 84th Ave | WA | 17 |
Custer-Loomis (SO-AQS) | WA | 15 |