Site

State

PM NowCast (ug/m3)

Spokane-E Broadway Ave (US)

WA

30

Sunnyside-S 16th

WA

24

Toppenish-Yakama Tribe

WA

23

Tacoma-L St

WA

19

Twisp-Glover St

WA

18

Leavenworth-Evans St

WA

18

Colville-E 1st St

WA

17

Spokane-Augusta Ave

WA

17

Pendleton - McKay Creek

OR

16

White Swan-Yakama Tribe

WA

16