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
Aug 5
Thu
Aug 6
Altoona
40 
35 
44 
Erie
40 
35 
31 
Indiana County
40 
40 
20 
Johnstown
40 
35 
28 
Lehigh Valley
42 
46 
54 
Liberty/Clairton area
45 
45 
130 
Mercer County
40 
35 
56 
Philadelphia
45 
47 
47 
Pittsburgh
45 
50 
45 
Scranton / Wilkes-Barre
38 
41 
44 
State College
36 
40 
33 
Susquehanna Valley
44 
45 
66 
Williamsport
37 
39