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)
84 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Air Quality Index (AQI)
67 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
84 
Moderate
Particles (PM2.5)
59 
Moderate
Ozone
67 
Moderate
Particles (PM2.5)
59 
Moderate
Forecast Discussion: Tuesday will be warm and humid for the return to work and school after the Memorial Day weekend. Despite sunny and warm conditions regionally as of 2 PM on Monday, ozone is being limited to the upper Moderate range under the influence of breezy afternoon winds and transport of maritime air aloft. This trend in ozone concentrations will continue on Tuesday. It will be mostly sunny, with another day of breezy south/southwesterly afternoon winds. Persistent influx of maritime air aloft will limit ozone to the mid-to-upper Moderate range on Tuesday. Particles are gradually rising in the increasingly humid air mass, and will remain in the low Moderate range on Tuesday. **Extended Forecast: Very warm and humid summer-like weather will continue on Wednesday and Thursday. Increased chances of afternoon clouds and thunderstorms, particularly on Thursday, will keep ozone in check in the Moderate range. Particles will likewise persist in the low Moderate range. -Huff

Current Conditions
Air Quality Index (AQI)
observed at 7:00 EDT
50
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5) 50 Good
Ozone 23 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