Site	State	PM AQI* (ug/m3)
Winthrop-Chewuch Rd	WA	157
Oroville-1117 Main St	WA	122
Twisp-Ewell St	WA	118
Colville-E 1st St	WA	43
Omak-Colville Tribe	WA	38
Clarkston-13th St	WA	31
Dayton-W Main	WA	31
Oakridge - Willamette Activ...	OR	27
Newport-Calispel	WA	25
Pullman-Dexter Ave	WA	24