Site	State	AQI*
Johnstown	PA	28
Steubenville	OH	21
Emmetsburg, ILCC	IA	20
Arendtsville	PA	20
Carlisle	PA	20
Florence	PA	19
St. Cloud	MN	19
Lawrenceville	PA	19
Altoona	PA	18
RUTLAND	VT	18