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 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

AirNow.gov is undergoing maintenance. Updates for the forecasts and current conditions are not available between midnight and 4 am EST.

Click on the city name for more detailed information.

printable summary
FORECAST CURRENT
AQI
Tue
Sep 27
Wed
Sep 28
Altoona
aqi not available
aqi not available
25 
Erie
aqi not available
aqi not available
30 
Indiana County
aqi not available
aqi not available
26 
Johnstown
aqi not available
aqi not available
25 
Lehigh Valley
35 
40 
30 
Liberty/Clairton area
35 
35 
22 
Mercer County
aqi not available
aqi not available
37 
Philadelphia
42 
33 
30 
Pittsburgh
45 
45 
26 
Scranton / Wilkes-Barre
aqi not available
aqi not available
33 
State College
aqi not available
aqi not available
40 
Susquehanna Valley
40 
45 
38 
Williamsport
aqi not available
aqi not available
21 
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.