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
Aug 28
Fri
Aug 29
Altoona
45 
45 
19 
Erie
40 
40 
18 
Indiana County
40 
45 
20 
Johnstown
40 
45 
26 
Lehigh Valley
46 
49 
19 
Liberty/Clairton area
45 
50 
16 
Mercer County
40 
45 
20 
Philadelphia
44 
58 
43 
Pittsburgh
45 
55 
35 
Scranton / Wilkes-Barre
42 
47 
29 
State College
40 
44 
22 
Susquehanna Valley
48 
49 
52 
Williamsport
40 
44 
19