Site	State	PM AQI* (ug/m3)
Johnstown	PA	19
Charleroi	PA	18
Lancaster DW	PA	16
Lancaster	PA	16
Steubenville	OH	16
Liberty (SAHS)	PA	15
Lawrenceville	PA	15
Beaver Falls	PA	15
Greensburg	PA	14
Parkway East (Near Road)	PA	14