Site

State

PM NowCast (ug/m3)

Walla Walla-12th St

WA

22

Dayton-W Main

WA

20

Sunnyside-S 16th

WA

20

Toppenish-Yakama Tribe

WA

20

White Swan-Yakama Tribe

WA

20

Yakima-4th Ave

WA

20

The Dalles - Cherry Heights

OR

18

Medford Welch & Jackson

OR

17

Portland Near Road

OR

14

Leavenworth-Evans St

WA

14