Site	State	PM AQI* (ug/m3)
Sunnyside-S 16th	WA	28
Spokane-E Broadway Ave (US)	WA	24
Spokane-Augusta Ave	WA	21
Spokane-Monroe St.	WA	16
Colbert-Greenbluff	WA	15
Vancouver-NE 84th Ave	WA	14
Omak-Colville Tribe	WA	14
Dallas LaCreole Middle School	OR	14
Colville-E 1st St	WA	13
Clarkston-13th St	WA	13