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
Sun
Aug 30
Mon
Aug 31
Altoona
50 
56 
58 
Erie
50 
54 
51 
Indiana County
50 
62 
45 
Johnstown
50 
61 
57 
Lehigh Valley
60 
59 
65 
Liberty/Clairton area
54 
63 
52 
Mercer County
50 
62 
55 
Philadelphia
84 
74 
71 
Pittsburgh
58 
66 
62 
Scranton / Wilkes-Barre
54 
58 
56 
State College
51 
56 
55 
Susquehanna Valley
72 
68 
72 
Williamsport
51 
56 
38