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
Sat
Sep 20
Sun
Sep 21
Altoona
aqi not available
aqi not available
56 
Erie
aqi not available
aqi not available
47 
Indiana County
aqi not available
aqi not available
36 
Johnstown
aqi not available
aqi not available
33 
Lehigh Valley
62 
65 
47 
Liberty/Clairton area
65 
60 
56 
Mercer County
aqi not available
aqi not available
60 
Philadelphia
46 
53 
56 
Pittsburgh
65 
60 
64 
Scranton / Wilkes-Barre
aqi not available
aqi not available
56 
State College
aqi not available
aqi not available
50 
Susquehanna Valley
70 
75 
63 
Williamsport
aqi not available
aqi not available
33