Site	State	PM AQI* (ug/m3)
Pierre	SD	190
Oroville-1117 Main St	WA	183
Winthrop-Chewuch Rd	WA	161
Twisp-Ewell St	WA	138
Fargo NW	ND	131
Riggins	ID	111
Omak-Colville Tribe	WA	105
Bismarck Residential	ND	94
Colville-E 1st St	WA	85
Quincy BAM	CA	85