Pittsburgh
 
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 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

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Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
60 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
55 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Ozone
50 
Good
Particles (PM2.5)
60 
Moderate
Ozone
50 
Good
Particles (PM2.5)
55 
Moderate
Forecast Discussion: Current Conditions: As of 2 PM on Wednesday, mostly sunny skies persist across much of western PA as an area of high pressure resides over the northern Mid-Atlantic region. Right now, light winds coupled with the abundant sunshine is helping to drive temperatures into the upper 80s. The sunshine along with the warm temperatures are also driving ozone concentrations into the moderate category. PM 2.5, on the other hand, are slowly rising near the good / moderate range thanks to the lower dewpoints today. With increasing humidity expected tomorrow, air quality levels are expected to remain within the moderate threshold. *** Thursday's Forecast: So for Thursday, mostly cloudy skies will prevail over western PA as a frontal system remains just to the south of our area. A disturbance moving along the front will first trigger the cloud cover and then the increased chance of rain during the afternoon as it moves to the east. The cloudy skies will be enough to limit afternoon highs to the mid to upper 80s while reducing ozone formation to the good category. The increase in humidity however will force PM 2.5 levels to stay well within the moderate range. *** Extended Outlook: Over the coming days, expect to see cloudy skies prevail across the region early on as a stationary frontal system across the Mid-Atlantic continues to be the focal point of shower activity. Temperatures will remain in the 80s with air quality levels likely hovering near the good / moderate range. Expect temperatures to begin to moderate next week as higher pressure and clearer skies persist. The additional sunshine during the week and the increased stability is likely to force ozone and eventually PM 2.5 levels to rebound into the moderate category. The next frontal system, slated to pass through late next week, will provide more rain and a reduction in air quality concentrations across the area. --Nolan

Current Conditions
Air Quality Index (AQI)
observed at 2:00 EDT
69
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 51 Moderate
Particles (PM2.5) 69 Moderate

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