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 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
Sep 26
Tue
Sep 27
Altoona
aqi not available
aqi not available
43 
Erie
aqi not available
aqi not available
45 
Indiana County
aqi not available
aqi not available
33 
Johnstown
aqi not available
aqi not available
31 
Lehigh Valley
45 
35 
35 
Liberty/Clairton area
53 
40 
69 
Mercer County
aqi not available
aqi not available
46 
Philadelphia
42 
42 
44 
Pittsburgh
60 
50 
63 
Scranton / Wilkes-Barre
aqi not available
aqi not available
38 
State College
aqi not available
aqi not available
29 
Susquehanna Valley
47 
40 
39 
Williamsport
aqi not available
aqi not available
28 
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.