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
Wed
Mar 4
Thu
Mar 5
Altoona
aqi not available
aqi not available
39 
Erie
aqi not available
aqi not available
34 
Indiana County
aqi not available
aqi not available
18 
Johnstown
aqi not available
aqi not available
40 
Lehigh Valley
61 
45 
118 
Liberty/Clairton area
55 
45 
37 
Mercer County
aqi not available
aqi not available
24 
Philadelphia
74 
63 
93 
Pittsburgh
55 
50 
49 
Scranton / Wilkes-Barre
aqi not available
aqi not available
74 
State College
aqi not available
aqi not available
26 
Susquehanna Valley
65 
52 
98 
Williamsport
aqi not available
aqi not available