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
Thu
Nov 20
Fri
Nov 21
Altoona
aqi not available
aqi not available
51 
Erie
aqi not available
aqi not available
45 
Indiana County
aqi not available
aqi not available
17 
Johnstown
aqi not available
aqi not available
54 
Lehigh Valley
35 
35 
56 
Liberty/Clairton area
35 
40 
27 
Mercer County
aqi not available
aqi not available
26 
Philadelphia
59 
50 
59 
Pittsburgh
40 
45 
48 
Scranton / Wilkes-Barre
aqi not available
aqi not available
60 
State College
aqi not available
aqi not available
52 
Susquehanna Valley
39 
40 
67 
Williamsport
aqi not available
aqi not available
20