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
Oct 23
Fri
Oct 24
Altoona
aqi not available
aqi not available
19 
Erie
aqi not available
aqi not available
20 
Indiana County
aqi not available
aqi not available
22 
Johnstown
aqi not available
aqi not available
17 
Lehigh Valley
35 
36 
32 
Liberty/Clairton area
35 
44 
22 
Mercer County
aqi not available
aqi not available
56 
Philadelphia
25 
29 
34 
Pittsburgh
40 
45 
52 
Scranton / Wilkes-Barre
aqi not available
aqi not available
42 
State College
aqi not available
aqi not available
20 
Susquehanna Valley
39 
40 
52 
Williamsport
aqi not available
aqi not available
20