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
Wed
Jan 28
Thu
Jan 29
Altoona
aqi not available
aqi not available
62 
Erie
aqi not available
aqi not available
38 
Indiana County
aqi not available
aqi not available
22 
Johnstown
aqi not available
aqi not available
58 
Lehigh Valley
44 
55 
31 
Liberty/Clairton area
45 
50 
48 
Mercer County
aqi not available
aqi not available
56 
Philadelphia
42 
66 
44 
Pittsburgh
45 
55 
58 
Scranton / Wilkes-Barre
aqi not available
aqi not available
32 
State College
aqi not available
aqi not available
29 
Susquehanna Valley
46 
65 
55 
Williamsport
aqi not available
aqi not available
31