Site

State

PM NowCast (ug/m3)

Yakima-4th Ave

WA

13

Twisp-Glover St

WA

13

Omak-Colville Tribe

WA

12

Tacoma-L St

WA

11

Seattle-Duwamish

WA

11

Beaverton - Highland Park S...

OR

10

Madras - Westside School

OR

10

Toppenish-Yakama Tribe

WA

10

Hillsboro - Hare Field

OR

9

Medford Welch & Jackson

OR

9