Site

State

PM AQI* (ug/m3)

Omak-Colville Tribe

WA

29

Roseburg - Garden Valley Blvd.

OR

27

Bend - Pump Station

OR

24

Roseburg Fire Dept

OR

22

Cave Junction Forest Service

OR

22

Medford Welch & Jackson

OR

22

John Day Dayton St

OR

20

Toppenish-Yakama Tribe

WA

20

Sunnyside-S 16th

WA

18

Bend NE 8th & Emerson

OR

18