Site | State | PM AQI* (ug/m3) |
Sunnyside-S 16th | WA | 7 |
Seattle-South Park | WA | 7 |
Inchelium | WA | 6 |
Spokane-E Broadway Ave (US) | WA | 6 |
Ellensburg-Ruby St | WA | 5 |
Springfield City Hall | OR | 5 |
Cottage Grove City Shops | OR | 5 |
Eugene - Wilkes Dr. | OR | 5 |
Clarkston-13th St | WA | 5 |
Colbert-Greenbluff | WA | 5 |