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
Fri
Mar 27
Sat
Mar 28
Altoona
aqi not available
aqi not available
38 
Erie
aqi not available
aqi not available
26 
Indiana County
aqi not available
aqi not available
24 
Johnstown
aqi not available
aqi not available
52 
Lehigh Valley
46 
37 
50 
Liberty/Clairton area
35 
30 
19 
Mercer County
aqi not available
aqi not available
23 
Philadelphia
48 
35 
62 
Pittsburgh
40 
35 
51 
Scranton / Wilkes-Barre
aqi not available
aqi not available
43 
State College
aqi not available
aqi not available
31 
Susquehanna Valley
50 
44 
43 
Williamsport
aqi not available
aqi not available
27