Site

State

PM NowCast (ug/m3)

White Swan-Yakama Tribe

WA

21

Walla Walla-12th St

WA

20

Sunnyside-S 16th

WA

19

Yakima-4th Ave

WA

18

Dayton-W Main

WA

18

Toppenish-Yakama Tribe

WA

17

The Dalles - Cherry Heights

OR

16

Medford Welch & Jackson

OR

16

Pendleton - McKay Creek

OR

14

Portland Near Road

OR

14