Site

State

PM AQI* (ug/m3)

Taholah-Quinault Tribe

WA

26

Kent-James & Central

WA

20

Seattle-10th & Weller

WA

19

Tacoma-S 36th St

WA

19

Auburn 29th St

WA

19

Tacoma-L St

WA

19

Tukwila_Allentown

WA

19

Seattle-South Park

WA

19

Marysville-7th Ave

WA

18

Tacoma-Alexander Ave

WA

17