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
Jan 28
Thu
Jan 29
Altoona
aqi not available
aqi not available
63 
Erie
aqi not available
aqi not available
62 
Indiana County
aqi not available
aqi not available
19 
Johnstown
aqi not available
aqi not available
62 
Lehigh Valley
44 
50 
28 
Liberty/Clairton area
45 
50 
45 
Mercer County
aqi not available
aqi not available
82 
Philadelphia
42 
61 
35 
Pittsburgh
45 
50 
66 
Scranton / Wilkes-Barre
aqi not available
aqi not available
37 
State College
aqi not available
aqi not available
26 
Susquehanna Valley
46 
50 
52 
Williamsport
aqi not available
aqi not available
24