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
Fri
Aug 22
Sat
Aug 23
Altoona
40 
40 
65 
Erie
45 
45 
49 
Indiana County
45 
45 
28 
Johnstown
40 
40 
64 
Lehigh Valley
49 
43 
43 
Liberty/Clairton area
55 
50 
61 
Mercer County
45 
45 
50 
Philadelphia
53 
36 
81 
Pittsburgh
55 
55 
61 
Scranton / Wilkes-Barre
43 
35 
40 
State College
42 
34 
55 
Susquehanna Valley
61 
55 
74 
Williamsport
42 
36 
26