Site

State

PM AQI* (ug/m3)

Marysville-7th Ave

WA

25

Omak-Colville Tribe

WA

24

Cave Junction Forest Service

OR

24

Yakima-4th Ave

WA

24

Maple Falls-Azure Way

WA

23

La Pine Rural Fire Dept

OR

21

Sunnyside-S 16th

WA

20

Lakeview - Center & M

OR

19

Kent-James & Central

WA

18

Tacoma-L St

WA

16