Site	State	PM AQI* (ug/m3)
Maple Falls-Azure Way	WA	19
Omak-Colville Tribe	WA	16
Sunnyside-S 16th	WA	14
Silverton	OR	12
Twisp-Ewell St	WA	12
Portland Near Road	OR	12
Winthrop-Chewuch Rd	WA	11
Colville-E 1st St	WA	11
CTCLUSI Radar Hill-OR	OR	10
Turner - CJHS	OR	10