Site | State | PM AQI* (ug/m3) |
Seattle-10th & Weller | WA | 9 |
Seattle-Duwamish | WA | 8 |
Custer-Loomis (SO-AQS) | WA | 7 |
Seattle-South Park | WA | 7 |
Silverton | OR | 7 |
Tacoma-Alexander Ave | WA | 7 |
Cove - City Hall | OR | 7 |
Portland Near Road | OR | 7 |
Anacortes-202 Ave (SO-AQS) | WA | 7 |
Sunnyside-S 16th | WA | 6 |