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
Tue
Sep 30
Wed
Oct 1
Altoona
aqi not available
aqi not available
56 
Erie
aqi not available
aqi not available
27 
Indiana County
aqi not available
aqi not available
33 
Johnstown
aqi not available
aqi not available
52 
Lehigh Valley
62 
66 
33 
Liberty/Clairton area
72 
65 
36 
Mercer County
aqi not available
aqi not available
41 
Philadelphia
68 
50 
52 
Pittsburgh
75 
70 
46 
Scranton / Wilkes-Barre
aqi not available
aqi not available
63 
State College
aqi not available
aqi not available
53 
Susquehanna Valley
70 
73 
77 
Williamsport
aqi not available
aqi not available
25