Site

State

PM AQI* (ug/m3)

Seattle-10th & Weller

WA

10

Seattle-Duwamish

WA

9

Marysville-7th Ave

WA

8

Seattle-South Park

WA

8

Bremerton-Spruce Ave

WA

8

Yakima-4th Ave

WA

8

Anacortes-202 Ave (SO-AQS)

WA

8

Sunnyside-S 16th

WA

8

Toppenish-Yakama Tribe

WA

7

Kent-James & Central

WA

7