Site | State | PM AQI* (ug/m3) |
Hermiston - Municipal Airport | OR | 6 |
Anacortes-202 Ave (SO-AQS) | WA | 6 |
Seattle-South Park | WA | 6 |
Colbert-Greenbluff | WA | 6 |
Ellensburg-Ruby St | WA | 6 |
Seattle-Duwamish | WA | 5 |
Tacoma-Alexander Ave | WA | 5 |
Springfield City Hall | OR | 5 |
Taholah-Quinault Tribe | WA | 5 |
Seattle-10th & Weller | WA | 5 |