Site	State	PM AQI* (ug/m3)
Fond du Lac	MN	39
Virginia	MN	31
Duluth-WDSE	MN	28
Indpls - I-70 E	IN	24
Liberty (SAHS)	PA	20
Steubenville	OH	20
Ely	MN	18
Taft	OH	18
BLAIR STREET	MO	18
Jeffersonville - Bates-Bowy...	IN	17