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
Fri
Oct 31
Sat
Nov 1
Altoona
aqi not available
aqi not available
Erie
aqi not available
aqi not available
41 
Indiana County
aqi not available
aqi not available
Johnstown
aqi not available
aqi not available
42 
Lehigh Valley
44 
36 
56 
Liberty/Clairton area
35 
35 
47 
Mercer County
aqi not available
aqi not available
44 
Philadelphia
48 
46 
49 
Pittsburgh
40 
40 
48 
Scranton / Wilkes-Barre
aqi not available
aqi not available
39 
State College
aqi not available
aqi not available
28 
Susquehanna Valley
51 
43 
56 
Williamsport
aqi not available
aqi not available