Site | State | PM AQI* (ug/m3) |
Eugene - Highway 99 | OR | 39 |
Sunnyside-S 16th | WA | 39 |
Toppenish-Yakama Tribe | WA | 37 |
Eugene - Amazon Park | OR | 33 |
Yakima-4th Ave | WA | 33 |
Salem - State Hospital | OR | 32 |
Eugene - Wilkes Dr. | OR | 30 |
Maple Falls-Azure Way | WA | 29 |
Portland - SE Lafayette | OR | 29 |
Marysville-7th Ave | WA | 28 |