Pittsburgh
 
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
ACHD website | Air Quality Action Day Program | Forecast | PADEP website
 
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 15:00 EDT
43
Good
Health Message: None
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 40 Good
Particles (PM2.5) 43 Good
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
46
Good
Health Message: None
Air Quality Index (AQI)
56
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
46
Good
Particles (PM2.5)
42
Good
Ozone
56
Moderate
Particles (PM2.5)
46
Good
Forecast Discussion: Current conditions: A large area of high pressure is building southeastward into the area from the Great Lakes this Wednesday afternoon. The northwesterly flow around the eastern side of this high is bringing in clean background air with low ozone and fine particulate values. Mostly clear and cooler tonight as temperatures fall back into the lower 50s. *** Thursday's forecast: A mostly sunny day is in store for Thursday with a warm afternoon. Ozone levels may go into the lower moderate range with less mixing and the strong sun, but dry air will keep fine particulate levels low. *** Extended forecast: Warm and dry weather will continue into the late week period, and possibly into the day Saturday with partly to mostly sunny skies and low chances for rain. The strong sun will send ozone well into the moderate range Friday into Saturday as temperatures rise to the middle and upper 80s. Fine particulate will also move into the moderate range as relative humidity will also increase. Increasing moisture availability will result in chances for showers and a thunderstorm Sunday into Memorial Day with an area of low pressure coming across the Great Lakes and a tropical system coming out of the Gulf of Mexico.---McAuliffe
Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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