Site	State	PM AQI* (ug/m3)
Broadus	MT	6
Bismarck Residential	ND	6
Porthill	BC	5
Plummer CDA Tribe	ID	5
Libby Courthouse	MT	5
Thompson Falls HS	MT	5
Bozeman High School	MT	4
St. Maries	ID	4
Hannover	ND	4
RYDER	ND	4