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
Wed
Aug 20
Thu
Aug 21
Altoona
35 
35 
52 
Erie
40 
40 
25 
Indiana County
45 
45 
19 
Johnstown
35 
35 
42 
Lehigh Valley
54 
51 
55 
Liberty/Clairton area
65 
65 
34 
Mercer County
40 
40 
45 
Philadelphia
80 
50 
58 
Pittsburgh
70 
75 
45 
Scranton / Wilkes-Barre
42 
38 
58 
State College
40 
36 
48 
Susquehanna Valley
59 
54 
69 
Williamsport
39 
37