Site	State	PM AQI* (ug/m3)
Winthrop-Chewuch Rd	WA	126
Twisp-Ewell St	WA	57
Omak-Colville Tribe	WA	45
Wellpinit-Spokane Tribe	WA	30
Colbert-Greenbluff	WA	29
Colville-E 1st St	WA	28
Airway Heights-West 12th (US)	WA	27
Newport-Calispel	WA	26
Spokane-Monroe St.	WA	24
Spokane-Augusta Ave	WA	23