Site	State	PM AQI* (ug/m3)
St. Maries	ID	9
Lewiston	ID	8
Plummer CDA Tribe	ID	8
Libby Courthouse	MT	7
Billlings Lockwood	MT	6
Rossiter Pump House	MT	6
Columbia Falls	MT	6
Porthill	BC	6
Beulah North	ND	6
Thompson Falls HS	MT	6