Site

State

PM AQI* (ug/m3)

Omak-Colville Tribe

WA

16

Lyons

OR

15

Turner - CJHS

OR

15

Portland - Spangler Road

OR

15

Estacada Clackamas River El...

OR

15

Silverton

OR

14

Sunnyside-S 16th

WA

14

Eugene - Highway 99

OR

14

Portland - SE Lafayette

OR

14

Cle Elum Mobile

WA

14