Williamsport
 
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
 
Local Air Quality Resources
 
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
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
41 
Good
Health Message: None
Air Quality Index (AQI)
39 
Good
Health Message: None
AQI - Pollutant Details
Ozone
41 
Good
Ozone
39 
Good
Forecast Discussion: Periods of clouds and sunshine this Wednesday. A shower or two will pass through this afternoon and this evening, with ozone concentrations remaining in the upper good range. High pressure will produce dry weather Thursday into Friday with a partly sunny sky, but ozone levels should remain surpressed to the good range. More cloudiness Friday night into Saturday, with an easterly flow bringing in a cleaner air mass promoting good air quality. Ozone might be on the increase as we move into the early part of next week as winds shift into the southwest, and sunshine and warmth increases.---McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 18:00 EDT
34
Good
Health Message: None
AQI - Pollutant Details
Ozone 34 Good

Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)