Site

State

PM NowCast (ug/m3)

Salem - State Hospital

OR

26

Sunnyside-S 16th

WA

25

Pendleton - McKay Creek

OR

23

The Dalles - Cherry Heights

OR

23

Walla Walla-12th St

WA

22

Portland Near Road

OR

22

Seattle-10th & Weller

WA

21

Medford Welch & Jackson

OR

21

Kennewick-Metaline

WA

21

Chiloquin

OR

20