Site

State

PM NowCast (ug/m3)

Ellensburg-Ruby St

WA

21

Clarkston-13th St

WA

20

Sunnyside-S 16th

WA

19

Yakima-4th Ave

WA

19

Spokane-Augusta Ave

WA

17

Spokane-Monroe St.

WA

16

Kennewick-Metaline

WA

15

Prineville - Davidson Park

OR

14

Maple Falls-Azure Way

WA

12

Seattle-Duwamish

WA

11