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
Feb 27
Sat
Feb 28
Altoona
aqi not available
aqi not available
52 
Erie
aqi not available
aqi not available
29 
Indiana County
aqi not available
aqi not available
29 
Johnstown
aqi not available
aqi not available
60 
Lehigh Valley
48 
75 
40 
Liberty/Clairton area
49 
55 
35 
Mercer County
aqi not available
aqi not available
47 
Philadelphia
61 
82 
63 
Pittsburgh
50 
65 
56 
Scranton / Wilkes-Barre
aqi not available
aqi not available
45 
State College
aqi not available
aqi not available
47 
Susquehanna Valley
50 
79 
57 
Williamsport
aqi not available
aqi not available
30