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)
44 
Good
Health Message: None
Air Quality Index (AQI)
40 
Good
Health Message: None
AQI - Pollutant Details
Ozone
44 
Good
Ozone
40 
Good
Forecast Discussion: Clouds will limit sunshine during the day Friday. Afternoon and evening thunderstorms will also prevail, keeping ozone levels down in the good range. Onshore flow will increase over the weekend, with clouds most of the time as well as chances for showers and a thunderstorm. Ozone concentrations will remain low through the early part of next week.

Current Conditions
Air Quality Index (AQI)
observed at 7:00 EDT
6
Good
Health Message: None
AQI - Pollutant Details
Ozone 6 Good

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