Site

State

PM AQI* (ug/m3)

Mill City

OR

28

La Pine Rural Fire Dept

OR

26

Cave Junction Forest Service

OR

22

Toppenish-Yakama Tribe

WA

21

Omak-Colville Tribe

WA

20

Salem - State Hospital

OR

19

Maple Falls-Azure Way

WA

19

Roseburg Fire Dept

OR

19

Portland - SE Lafayette

OR

17

Eugene - Highway 99

OR

17