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

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
Sun
Feb 7
Mon
Feb 8
Altoona
aqi not available
aqi not available
39 
Erie
aqi not available
aqi not available
44 
Indiana County
aqi not available
aqi not available
29 
Johnstown
aqi not available
aqi not available
68 
Lehigh Valley
55 
65 
70 
Liberty/Clairton area
60 
55 
122 
Mercer County
aqi not available
aqi not available
53 
Philadelphia
74 
55 
57 
Pittsburgh
65 
60 
67 
Scranton / Wilkes-Barre
aqi not available
aqi not available
64 
State College
aqi not available
aqi not available
63 
Susquehanna Valley
65 
75 
83 
Williamsport
aqi not available
aqi not available
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.