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
Jun 18
Wed
Jun 19
Altoona
45 
45 
64 
Erie
45 
45 
38 
Indiana County
50 
45 
38 
Johnstown
45 
45 
72 
Lehigh Valley
60 
45 
70 
Liberty/Clairton area
55 
40 
69 
Mercer County
45 
45 
 
Philadelphia
67 
49 
70 
Pittsburgh
55 
45 
66 
Scranton / Wilkes-Barre
43 
40 
36 
State College
43 
40 
50 
Susquehanna Valley
65 
45 
70 
Williamsport
43 
40 
33