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
Mar 3
Wed
Mar 4
Altoona
aqi not available
aqi not available
65 
Erie
aqi not available
aqi not available
31 
Indiana County
aqi not available
aqi not available
30 
Johnstown
aqi not available
aqi not available
72 
Lehigh Valley
63 
59 
58 
Liberty/Clairton area
55 
55 
45 
Mercer County
aqi not available
aqi not available
68 
Philadelphia
68 
78 
73 
Pittsburgh
57 
55 
76 
Scranton / Wilkes-Barre
aqi not available
aqi not available
64 
State College
aqi not available
aqi not available
50 
Susquehanna Valley
71 
61 
63 
Williamsport
aqi not available
aqi not available
32