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's High Tomorrow's High
Air Quality Index (AQI)
55 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
40 
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
55 
Moderate
Particles (PM2.5)
40 
Good
Forecast Discussion: *** Saturday’s Forecast: Mild and mostly dry conditions, though skies will be mostly cloudy to block out sunshine, will prevail on Saturday. This will be the driest day of the forecast period as unsettled weather will return later in the weekend. Light winds resulting in minimal mixing will allow for PM-2.5 concentrations to remain at moderate levels. Temperatures, despite a lack of sunshine, will approach the upper 50s for the day. *** Sunday’s Forecast: Similar conditions as Saturday will continue through at least the early part of the day on Sunday. Mostly cloudy skies with temperatures again above normal and into the 50s will see light winds early become breezy by the afternoon. The low mixing through the morning hours before the increase in winds arrive will last long enough to allow for moderate levels of PM-2.5 to continue. Precipitation chances will be increasing throughout the afternoon with the best chance for rain showers occurring during Sunday evening and overnight into Monday morning. *** Monday’s Forecast: While Saturday will be the driest, Monday will start off the new work week with the highest chance to be the wettest. Rain showers, though heaviest will occur to our east, and the breezy conditions continuing will at least help to improve air quality conditions. Temperatures will start off likely in the upper 40s to low before falling into the 30s as cooler air fills in on the backside of the strengthening low pressure system. Most locations are expected to see rainfall with a chance that the precipitation ends as a wintry mix, but if temperatures cool just enough there could be at least a few locations that will see some light snowfall. *** Extended Outlook: Precipitation will end early on Tuesday after some scattered showers possible in the morning with some clearing later on in the day. Good air quality will continue with breezy northwesterly flow on Tuesday. Temperatures will manage to climb into the low to mid 40s, which would be our “coldest” day through the first few days of this forecast period. Our best chance for a day of sunshine will come on Wednesday with temperatures again potentially reaching the 50s. PM-2.5 concentrations will also return to moderate levels with a decrease in mixing as winds become light again. Colder temperatures may arrive late in the week to bring conditions back to near normal for late January and end this streak of mild weather. --- Roble

Current Conditions
Air Quality Index (AQI)
observed at 7:00 EST
78
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 32 Good
Particles (PM2.5) 78 Moderate

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