Site

State

PM NowCast (ug/m3)

Sunnyside-S 16th

WA

28

Moses Lake-Balsam St

WA

26

Pendleton - McKay Creek

OR

21

Seattle-Duwamish

WA

20

Clarkston-13th St

WA

19

Hermiston - Municipal Airport

OR

19

Ellensburg-Ruby St

WA

18

Walla Walla-12th St

WA

18

La Grande Hall & N Sts

OR

18

Yakima-4th Ave

WA

17