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)
97 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
Air Quality Index (AQI)
95 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
97 
Moderate
Particles (PM2.5)
70 
Moderate
Ozone
95 
Moderate
Particles (PM2.5)
72 
Moderate
Forecast Discussion: Current Conditions: At 2 p.m. EDT this Wednesday afternoon, it remains rather warm and humid across the region with a good deal of sunshine. Ozone concentrations are moving into the lower code ORANGE range in a few areas, with fine particulate continuing to be in the middle moderate range. Warm and hazy tonight with low temperatures only dropping to near 70 degrees. *** Thursday's forecast: Sunshine and some mid and high level clouds for Thursday as an area of low pressure passes to the north. The cloudiness will limit ozone to the top end of the moderate range, with fine particulate remaining moderate due to the lack of flow and higher relative humidity. High temperatures will reach close to 90 degrees. Mostly cloudy with a shower or two Thursday night. *** Extended forecast: Clouds and some sunshine will continue for the day Friday, with limited chances for any rainfall. The cloudiness may again keep ozone levels in the middle to upper moderate range, with fine particulate in the moderate zone as well. By Saturday, the ridge of high pressure will have slipped to the south some, allowing for a frontal boundary to move in with showers and thunderstorms, with timing uncertain due to fast upper level flow. Ozone may even improve to the good range, but particulate matter might still be moderate. Variably cloudy Sunday, with still the chance for showers and thunderstorms. Ozone and fine particulate will be mainly in the lower moderate range. A bonafide cold front will then pass through by Monday of next week, allowing for much less humid and cooler air behind it as well as much better air quality. ---McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 8:00 EDT
82
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 36 Good
Particles (PM2.5) 82 Moderate

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