Site

State

PM AQI* (ug/m3)

Maple Falls-Azure Way

WA

16

Brewster Mobile

WA

13

Omak-Colville Tribe

WA

12

Burns - Washington St.

OR

11

Medford Welch & Jackson

OR

11

Yakima-4th Ave

WA

9

Toppenish-Yakama Tribe

WA

9

La Pine Rural Fire Dept

OR

9

Sunnyside-S 16th

WA

8

John Day Dayton St

OR

8