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

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Click on the city name for more detailed information.

printable summary
FORECAST CURRENT
AQI
Tue
Feb 9
Wed
Feb 10
Altoona
aqi not available
aqi not available
52 
Erie
aqi not available
aqi not available
31 
Indiana County
aqi not available
aqi not available
23 
Johnstown
aqi not available
aqi not available
56 
Lehigh Valley
60 
34 
47 
Liberty/Clairton area
35 
35 
26 
Mercer County
aqi not available
aqi not available
43 
Philadelphia
46 
38 
27 
Pittsburgh
40 
40 
47 
Scranton / Wilkes-Barre
aqi not available
aqi not available
32 
State College
aqi not available
aqi not available
55 
Susquehanna Valley
66 
39 
49 
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.