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
Sat
Sep 5
Sun
Sep 6
Altoona
46 
44 
69 
Erie
44 
42 
37 
Indiana County
50 
47 
31 
Johnstown
47 
45 
54 
Lehigh Valley
55 
52 
59 
Liberty/Clairton area
53 
50 
84 
Mercer County
49 
46 
60 
Philadelphia
59 
51 
56 
Pittsburgh
62 
52 
84 
Scranton / Wilkes-Barre
46 
45 
63 
State College
48 
45 
30 
Susquehanna Valley
65 
55 
84 
Williamsport
40 
43 
27