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
May 29
Sat
May 30
Altoona
45 
45 
40 
Erie
45 
43 
43 
Indiana County
50 
46 
36 
Johnstown
42 
42 
54 
Lehigh Valley
69 
64 
37 
Liberty/Clairton area
48 
53 
54 
Mercer County
45 
42 
67 
Philadelphia
77 
58 
54 
Pittsburgh
55 
59 
87 
Scranton / Wilkes-Barre
59 
48 
33 
State College
53 
46 
48 
Susquehanna Valley
68 
68 
53 
Williamsport
53 
46 
27