Site	State	AQI*
Maple Falls-Azure Way	WA	23
John Day Dayton St	OR	22
Marysville-7th Ave	WA	22
Colville-E 1st St	WA	20
Lake Forest Park-Town Center	WA	18
Eugene - Amazon Park	OR	18
Tacoma-L St	WA	18
Vancouver-NE 84th Ave	WA	16
Hillsboro - Hare Field	OR	15
Yacolt-Yacolt Rd	WA	15