Site

State

PM NowCast (ug/m3)

Toppenish-Yakama Tribe

WA

33

Eugene - Amazon Park

OR

32

Maple Falls-Azure Way

WA

29

Yakima-4th Ave

WA

29

Spokane-Augusta Ave

WA

28

Sunnyside-S 16th

WA

27

Spokane-E Broadway Ave (US)

WA

26

Eugene - Highway 99

OR

26

Vancouver-NE 84th Ave

WA

25

Spokane-Monroe St.

WA

24