Site

State

PM AQI* (ug/m3)

John Day Dayton St

OR

23

Madras - Westside School

OR

21

Maple Falls-Azure Way

WA

17

Lakeview - Center & M

OR

16

Roseburg Fire Dept

OR

13

Toppenish-Yakama Tribe

WA

13

Spokane-Augusta Ave

WA

12

Darrington-Fir St

WA

11

Medford Welch & Jackson

OR

11

Spokane-E Broadway Ave

WA

11