Site

State

PM NowCast (ug/m3)

Sunnyside-S 16th

WA

21

Wellpinit-Spokane Tribe

WA

18

Ellensburg-Ruby St

WA

17

Toppenish-Yakama Tribe

WA

13

Yakima-4th Ave

WA

12

Seattle-10th & Weller

WA

11

Maple Falls-Azure Way

WA

11

Springfield City Hall

OR

10

Eugene - Highway 99

OR

9

Tacoma-L St

WA

9