Site	State	PM AQI* (ug/m3)
Johnstown	PA	17
Naperville	IL	16
Lancaster DW	PA	16
South Bend-Shields Dr	IN	15
Clinton, Chancy Park	IA	14
East St. Louis	IL	14
Liberty (SAHS)	PA	14
Harrisburg	PA	14
Hillcrest HS	MO	14
DETROIT-SW	MI	14