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 22
Thu
Oct 23
Altoona
aqi not available
aqi not available
19 
Erie
aqi not available
aqi not available
55 
Indiana County
aqi not available
aqi not available
11 
Johnstown
aqi not available
aqi not available
12 
Lehigh Valley
36 
35 
28 
Liberty/Clairton area
35 
35 
18 
Mercer County
aqi not available
aqi not available
20 
Philadelphia
46 
38 
65 
Pittsburgh
40 
40 
40 
Scranton / Wilkes-Barre
aqi not available
aqi not available
38 
State College
aqi not available
aqi not available
Susquehanna Valley
36 
35 
51 
Williamsport
aqi not available
aqi not available
12