Pennsylvania
 
Data courtesy of:
 

 
AQI: Good (0 - 50) AQI: Moderate (51 - 100) AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy (151 - 200) AQI: Very Unhealthy (201 - 300) AQI: Hazardous(301 - 500) Action DayAction Day
 
State Air Quality Resources
Air Quality Partnership of Lehigh Valley - Berks
Air Quality Partnership of the Delaware Valley
Air Quality Partnership of the Susquehanna Valley
American Lung Association (ALA) of Pennsylvania
PA Allergy & Asthma Association
Pennsylvania DEP - BAQ - Contacts
Pennsylvania DEP - BAQ - Current Air Quality Index (AQI) by Area
Pennsylvania DEP - Bureau of Air Quality (BAQ)
Pennsylvania DEP – Air Quality Forecast Home Page
Pennsylvania DEP – Home Page
Southwest PA Air Quality Partnership
Click on the city name for more detailed information.

printable summary
FORECAST CURRENT
AQI
Wed
Apr 16
Thu
Apr 17
Altoona
aqi not available
aqi not available
Erie
aqi not available
aqi not available
28 
Indiana County
aqi not available
aqi not available
29 
Johnstown
aqi not available
aqi not available
26 
Lehigh Valley
39 
45 
34 
Liberty/Clairton area
35 
40 
26 
Mercer County
aqi not available
aqi not available
23 
Philadelphia
29 
33 
31 
Pittsburgh
40 
45 
35 
Scranton / Wilkes-Barre
aqi not available
aqi not available
32 
State College
aqi not available
aqi not available
23 
Susquehanna Valley
41 
47 
31 
Williamsport
aqi not available
aqi not available