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
Thu
Jan 29
Fri
Jan 30
Altoona
aqi not available
aqi not available
68 
Erie
aqi not available
aqi not available
56 
Indiana County
aqi not available
aqi not available
12 
Johnstown
aqi not available
aqi not available
59 
Lehigh Valley
65 
38 
53 
Liberty/Clairton area
50 
35 
36 
Mercer County
aqi not available
aqi not available
56 
Philadelphia
66 
46 
46 
Pittsburgh
55 
40 
41 
Scranton / Wilkes-Barre
aqi not available
aqi not available
58 
State College
aqi not available
aqi not available
18 
Susquehanna Valley
75 
42 
68 
Williamsport
aqi not available
aqi not available
18