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
Sat
Jul 30
Sun
Jul 31
Altoona
41 
48 
44 
Erie
43 
46 
38 
Indiana County
44 
48 
33 
Johnstown
43 
48 
84 
Lehigh Valley
45 
52 
35 
Liberty/Clairton area
49 
54 
63 
Mercer County
39 
46 
60 
Philadelphia
52 
46 
68 
Pittsburgh
49 
54 
62 
Scranton / Wilkes-Barre
44 
42 
35 
State College
43 
42 
39 
Susquehanna Valley
49 
54 
59 
Williamsport
40 
44 
20 
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.