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 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
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
51 
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
Particles (PM2.5)
51 
Moderate
Particles (PM2.5)
55 
Moderate
Forecast Discussion: Current Conditions: As of 2 PM on Thursday, partly cloudy skies prevail over portions of the metro area as higher pressure begins to build in over the region. Right now, our winds continue to remain out of the north, which are keeping cool and dry conditions in place across western PA. In fact, temperatures are only ranging into the upper 50s. The gusty winds over the region are helping to keep the boundary well mixed, resulting in good air quality. Expect the air quality to increase tomorrow as a more stable and warmer air mass moves in over the region. *** Friday's Forecast: So for Friday, mostly sunny skies will persist throughout the day as an area of high pressure continues to build in from the west. For the most part, it will be pleasant day with low humidity and seasonably warm temperatures. In fact, highs are likely to peak near the 60 degree mark. The light winds during the morning hours and the clear skies should allow an inversion to form over the region. The inversion will, in turn, allow PM 2.5 levels to rise. By the afternoon, air quality levels will bounce back into the good range but should average the day the good / moderate threshold. *** Extended Outlook: Over the coming days, expect to see temperatures remain at to slightly above normal as the overall weather pattern remains progressive. Here is how things are shaping up... On Saturday, expect temperatures to rise into the 60s as high pressure builds east over our area. At the same time, a new frontal system will push into the Great Lakes. This front will push southward across our area late in the weekend. After it does, expect a cooler, drier air mass to move in. This will be short-lived however, thanks in part to a new area of high pressure building in from the west. Temperatures should once again rise back into the 60s for the Monday to Wednesday time period as our weather is dominated by high pressure. Late Wednesday into Thursday, a new cold front will progress into the region from the west. After it moves through, cooler and drier air will once again filter in from the north. Overall, peak PM 2.5 levels are likely in the warmest period over the next seven days (which will be in the Monday - Wednesday time frame). --Nolan

Current Conditions
Air Quality Index (AQI)
observed at 6:00 EDT
57
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5) 57 Moderate
Ozone 18 Good

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