Site	State	PM AQI* (ug/m3)
Broadus	MT	9
Butte Greely School	MT	7
Birney	MT	6
Billlings Lockwood	MT	6
Great Falls Overlook Park	MT	6
Bismarck Residential	ND	5
Plummer CDA Tribe	ID	5
Porthill	BC	5
Malta	MT	4
Havre	MT	4