Site

State

PM AQI* (ug/m3)

Marysville-7th Ave

WA

10

Custer-Loomis (SO-AQS)

WA

9

Lyons

OR

9

Turner - CJHS

OR

9

Anacortes-202 Ave (SO-AQS)

WA

8

Portland - SE Lafayette

OR

8

Toppenish-Yakama Tribe

WA

7

Sunnyside-S 16th

WA

7

Seattle-South Park

WA

7

Cove - City Hall

OR

7