Site

State

PM AQI* (ug/m3)

Cave Junction Forest Service

OR

33

Sunnyside-S 16th

WA

28

Maple Falls-Azure Way

WA

24

John Day Dayton St

OR

19

Cle Elum Mobile

WA

19

La Pine Rural Fire Dept

OR

19

Enterprise - US Forest Service

OR

18

Roseburg Fire Dept

OR

18

Moses Lake-Balsam St

WA

18

Hermiston - Municipal Airport

OR

18