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
Sun
Jul 5
Mon
Jul 6
Altoona
48 
59 
76 
Erie
47 
56 
65 
Indiana County
48 
65 
31 
Johnstown
47 
56 
67 
Lehigh Valley
68 
72 
58 
Liberty/Clairton area
60 
75 
65 
Mercer County
49 
62 
58 
Philadelphia
97 
63 
63 
Pittsburgh
65 
77 
70 
Scranton / Wilkes-Barre
45 
51 
55 
State College
44 
51 
52 
Susquehanna Valley
70 
78 
63 
Williamsport
43 
50 
30