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
Jul 30
Thu
Jul 31
Altoona
35 
40 
23 
Erie
35 
40 
25 
Indiana County
35 
40 
Johnstown
35 
40 
20 
Lehigh Valley
47 
58 
37 
Liberty/Clairton area
30 
40 
59 
Mercer County
35 
40 
20 
Philadelphia
49 
64 
56 
Pittsburgh
35 
45 
52 
Scranton / Wilkes-Barre
38 
48 
34 
State College
38 
49 
29 
Susquehanna Valley
49 
61 
61 
Williamsport
37 
47