Philadelphia
 
Data and Forecasts courtesy of:
 

 
AQI: Good (0 - 50) AQI: Good (0 - 50)
Air quality is considered satisfactory, and air pollution poses little or no risk.
AQI: Moderate (51 - 100) AQI: Moderate (51 - 100)
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy for Sensitive Groups (101 - 150)
Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air.
AQI: Unhealthy (151 - 200) AQI: Unhealthy (151 - 200)
Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.
 AQI:Very Unhealthy (201 - 300) AQI: Very Unhealthy (201 - 300)
Health alert: everyone may experience more serious health effects.
AQI: Hazardous(301 - 500) AQI: Hazardous (301 - 500)
Health warnings of emergency conditions. The entire population is more likely to be affected.
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
 
Data and Forecasts courtesy of:
Current Conditions
Air Quality Index (AQI)
observed at 4:00 EST
52
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.
AQI - Pollutant Details
Ozone 34 Good
Particles (PM2.5) 52 Moderate
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
33
Good
Health Message: None
Air Quality Index (AQI)
25
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
33
Good
Particles (PM2.5)
25
Good
Forecast Discussion: Temperatures will quickly rebound on Saturday. A storm system approaching from the west will bring clouds with rain showers beginning in the afternoon. Although winds will be calm overnight, allowing particles to accumulate, breezy southerly winds starting in the morning and a clean and dry air mass in place to start the day will limit daily average particle concentrations to the Good range. A strong cold front associated with the storm system will move through the forecast area on Sunday morning, accompanied by another round of rain. Colder air will be slow to filter in behind the frontal passage, but gusty northwesterly winds and plenty of vertical mixing will push particles lower into the Good range. Monday will be chilly and windy but sunny. Very dry air and ample atmospheric mixing will drop particles toward the low end of the Good range. **Extended Forecast: Southerly winds ahead of another cold front will bring a surge of warm air back into the forecast area on Tuesday. Particles will rise, but sufficient atmospheric mixing will allow Good air quality to continue. -Huff
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