Site

State

PM NowCast (ug/m3)

Maple Falls-Azure Way

WA

21

Omak-Colville Tribe

WA

12

Sunnyside-S 16th

WA

11

Spokane-E Broadway Ave (US)

WA

10

Eugene - Highway 99

OR

10

Toppenish-Yakama Tribe

WA

10

Springfield City Hall

OR

10

Spokane-Monroe St.

WA

10

Roseburg - Garden Valley Blvd.

OR

9

Salem - State Hospital

OR

9