Site

State

PM NowCast (ug/m3)

Maple Falls-Azure Way

WA

24

John Day Dayton St

OR

18

Custer-Loomis (SO-AQS)

WA

17

Marysville-7th Ave

WA

15

Colbert-Greenbluff

WA

15

Spokane-Augusta Ave

WA

15

Omak-Colville Tribe

WA

14

Spokane-E Broadway Ave (US)

WA

14

Colville-E 1st St

WA

13

Seattle-Duwamish

WA

12