Site

State

PM AQI* (ug/m3)

Omak-Colville Tribe

WA

9

John Day Dayton St

OR

9

Medford Welch & Jackson

OR

7

Grants Pass - Parkside School

OR

7

Toppenish-Yakama Tribe

WA

7

Roseburg Fire Dept

OR

7

Lyons

OR

6

Cave Junction Forest Service

OR

6

Maple Falls-Azure Way

WA

6

Seattle-10th & Weller

WA

6