Site | State | PM AQI* (ug/m3) |
Grants Pass - Parkside School | OR | 6 |
Sunnyside-S 16th | WA | 5 |
Lakeview - Center & M | OR | 5 |
Portland Near Road | OR | 5 |
Roseburg - Garden Valley Blvd. | OR | 4 |
Tacoma-S 36th St | WA | 4 |
Yakima-4th Ave | WA | 4 |
Port Angeles-E 5th St | WA | 4 |
Walla Walla-12th St | WA | 4 |
Auburn M St SE | WA | 4 |