Site	State	PM AQI* (ug/m3)
UC1	SD	24
NCore	AK	23
Portola	CA	22
Seeley Elementary School	MT	21
Bishop Paiute Tribe-CA	CA	21
Iowa City, Hoover School	IA	21
Libby Courthouse	MT	21
Thirty Third	AZ	20
Rose Park	UT	20
St. Cloud	MN	19