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
Mon
Apr 27
Tue
Apr 28
Altoona
aqi not available
aqi not available
29 
Erie
aqi not available
aqi not available
13 
Indiana County
aqi not available
aqi not available
26 
Johnstown
aqi not available
aqi not available
37 
Lehigh Valley
38 
46 
34 
Liberty/Clairton area
35 
40 
27 
Mercer County
aqi not available
aqi not available
19 
Philadelphia
33 
38 
52 
Pittsburgh
40 
45 
44 
Scranton / Wilkes-Barre
aqi not available
aqi not available
23 
State College
aqi not available
aqi not available
26 
Susquehanna Valley
40 
49 
56 
Williamsport
aqi not available
aqi not available
25