Site

State

PM AQI* (ug/m3)

Sunnyside-S 16th

WA

37

La Pine Rural Fire Dept

OR

35

Omak-Colville Tribe

WA

28

Clarkston-13th St

WA

24

Mobile-Yakima

WA

22

Toppenish-Yakama Tribe

WA

22

Colville-E 1st St

WA

21

Oakridge - Willamette Activ...

OR

21

Eugene - Highway 99

OR

21

Portland - SE Lafayette

OR

20