Site

State

PM NowCast (ug/m3)

Dayton-W Main

WA

25

Walla Walla-12th St

WA

23

Yakima-4th Ave

WA

23

Toppenish-Yakama Tribe

WA

22

Maple Falls-Azure Way

WA

21

The Dalles - Cherry Heights

OR

20

Sunnyside-S 16th

WA

19

White Swan-Yakama Tribe

WA

18

Medford Welch & Jackson

OR

17

Portland Near Road

OR

16