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
Oct 1
Thu
Oct 2
Altoona
aqi not available
aqi not available
27 
Erie
aqi not available
aqi not available
55 
Indiana County
aqi not available
aqi not available
38 
Johnstown
aqi not available
aqi not available
36 
Lehigh Valley
62 
64 
41 
Liberty/Clairton area
72 
68 
85 
Mercer County
aqi not available
aqi not available
55 
Philadelphia
50 
48 
54 
Pittsburgh
70 
66 
71 
Scranton / Wilkes-Barre
aqi not available
aqi not available
53 
State College
aqi not available
aqi not available
39 
Susquehanna Valley
70 
73 
83 
Williamsport
aqi not available
aqi not available
28