Site

State

PM NowCast (ug/m3)

Sunnyside-S 16th

WA

31

Salem - State Hospital

OR

26

The Dalles - Cherry Heights

OR

23

Pendleton - McKay Creek

OR

23

Kennewick-Metaline

WA

22

Walla Walla-12th St

WA

21

Portland Near Road

OR

18

Dayton-W Main

WA

18

Corvallis - Circle Blvd.

OR

18

Chiloquin

OR

16