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
Tue
Jul 29
Wed
Jul 30
Altoona
35 
35 
 
Erie
35 
35 
19 
Indiana County
35 
35 
17 
Johnstown
35 
35 
30 
Lehigh Valley
43 
47 
25 
Liberty/Clairton area
30 
30 
21 
Mercer County
35 
35 
28 
Philadelphia
42 
49 
44 
Pittsburgh
35 
35 
42 
Scranton / Wilkes-Barre
34 
38 
16 
State College
35 
38 
35 
Susquehanna Valley
45 
49 
54 
Williamsport
34 
37 
17