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
Tue
Nov 25
Wed
Nov 26
Altoona
aqi not available
aqi not available
19 
Erie
aqi not available
aqi not available
58 
Indiana County
aqi not available
aqi not available
20 
Johnstown
aqi not available
aqi not available
13 
Lehigh Valley
45 
40 
43 
Liberty/Clairton area
40 
40 
28 
Mercer County
aqi not available
aqi not available
44 
Philadelphia
53 
42 
55 
Pittsburgh
45 
40 
44 
Scranton / Wilkes-Barre
aqi not available
aqi not available
31 
State College
aqi not available
aqi not available
25 
Susquehanna Valley
52 
47 
48 
Williamsport
aqi not available
aqi not available
18