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:
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
43 
Good
Health Message: None
Air Quality Index (AQI)
40 
Good
Health Message: None
AQI - Pollutant Details
Ozone
43 
Good
Particles (PM2.5)
43 
Good
Ozone
38 
Good
Particles (PM2.5)
40 
Good
Forecast Discussion: ***SEVERE THUNDERSTORM WATCH IS EFFECT UNTIL 9 P.M. EDT TUESDAY*** Current Conditions: At 2 p.m. EDT this Tuesday afternoon, radar is showing strong thunderstorms moving through parts of the area. These storms are out ahead of a cold front which will move through the area later on this evening. With plenty of cloudiness, ozone levels are low, but PM2.5 continues to be moderate in the humid atmosphere. Thunder will end this evening, followed by a little clearing towards morning as the mercury falls back into the lower 60s. Fine particulate will decrease overnight, but remain moderate. *** Wednesday's forecast: Cooler and less humid than recent days Wednesday with clouds mixing with sunshine. Ozone levels will not develop beyond the good range, and lower humidity and northwesterly mixing will send fine particulate down into the good range. Temperatures will only recover back into the middle 70s. Clear to partly cloudy and cool Wednesday night. *** Extended forecast: A weak upper level area of low pressure will bring more clouds than sun Thursday. A shower is possible Thursday night before high pressure regains control Friday into the weekend. A northerly flow of mostly dry air will continue, so fine particulate and ozone will remain in the good zone over the long range, with temperatures remaining below late August normals.---McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 7:00 EDT
42
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 19 Good
Particles (PM2.5) 42 Good

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