Site | State | PM AQI* (ug/m3) |
Mobile-Yakima | WA | 18 |
Klamath Falls - Peterson Sc... | OR | 17 |
Winthrop-Chewuch Rd | WA | 15 |
Seattle-10th & Weller | WA | 13 |
Omak-Colville Tribe | WA | 13 |
Tacoma-Alexander Ave | WA | 13 |
Yakima-4th Ave | WA | 12 |
Ellensburg-Ruby St | WA | 12 |
Twisp-Ewell St | WA | 12 |
Seattle-South Park | WA | 11 |