Philadelphia
 
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
Current Air Quality Index | Forecast | Ozone Action Program
 
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)
38 
Good
Health Message: None
Air Quality Index (AQI)
55 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5)
38 
Good
Particles (PM2.5)
55 
Moderate
Forecast Discussion: A strong Canadian high pressure system will build into the Mid-Atlantic region for the weekend. It will be unseasonably cool, but dry, with gradual clearing on Saturday and sunny skies on Sunday. Breezy northwesterly winds on Saturday will keep air quality in the Good range. Winds wills shift to the southwest and slacken on Sunday afternoon, allowing for a slight increase in particle concentrations, but very dry air and ample vertical mixing will keep air quality in the Good range. A cold front will approach Philadelphia on Monday. Southwesterly flow ahead of the front and the arrival of warmer air aloft will push particles into the low Moderate range. **Extended Forecast: Tuesday will be mostly sunny. Northwesterly flow behind the cold front will return air quality to the Good range. -Huff

Current Conditions
Air Quality Index (AQI)
observed at 14:00 EDT
39
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5) 39 Good
Ozone 33 Good

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

E-Mail Notification
 
Pennsylvania Air Quality Partnership Email