Site | State | PM AQI* (ug/m3) |
Sunnyside-S 16th | WA | 10 |
Spokane-E Broadway Ave (US) | WA | 9 |
Seattle-10th & Weller | WA | 8 |
Tacoma-S 36th St | WA | 8 |
Seattle-Duwamish | WA | 8 |
Colbert-Greenbluff | WA | 8 |
Springfield City Hall | OR | 8 |
Auburn M St SE | WA | 8 |
Clarkston-13th St | WA | 8 |
Tacoma-L St | WA | 8 |