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 2:00 EDT
53
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 24 Good
Particles (PM2.5) 53 Moderate
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
70
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Air Quality Index (AQI)
62
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
70
Moderate
Particles (PM2.5)
41
Good
Ozone
62
Moderate
Particles (PM2.5)
49
Good
Forecast Discussion: Current conditions: A much more comfortable air mass has descended on the area this Wednesday afternoon on a north to northwesterly flow. Good air quality is also the rule today as the air mass is a clean one. Tranquil weather will continue into Friday, then low pressure will act to bring a return to unsettled weather our way just in time for the weekend. Mainly clear and cool tonight with low temperatures falling back into the middle and upper 50s. *** Thursday's forecast: Sunshine for the most part Thursday as high pressure remains in control. Ozone levels will rise a little, perhaps into the moderate range in some locations. Fine particulate will also rise, but remain just below the moderate threshold with enough dry air in place. Afternoon temperatures will reach into the middle 80s. *** Extended forecast: Low pressure slowly coming out of the Midwest will begin to influence our weather Friday, and last into the upcoming weekend with increasing cloudiness and chances for rainfall. Moderate ozone is still possible in parts of the area Friday with a partly sunny sky, but plenty of cloud cover and more widespread showers and thunderstorms over the weekend will act to keep ozone and fine particulate on the low side.---McAuliffe
Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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