Site

State

PM AQI* (ug/m3)

Marysville-7th Ave

WA

11

Tacoma-L St

WA

10

Tukwila_Allentown

WA

9

Klamath Falls - Peterson Sc...

OR

9

Seattle-South Park

WA

9

Seattle-10th & Weller

WA

8

Puyallup-128th St

WA

8

Seattle-Duwamish

WA

8

Lake Forest Park-Town Center

WA

7

Custer-Loomis (SO-AQS)

WA

7