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)
55 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
46 
Good
Health Message: None
AQI - Pollutant Details
Ozone
49 
Good
Particles (PM2.5)
55 
Moderate
Ozone
46 
Good
Particles (PM2.5)
44 
Good
Forecast Discussion: Current Conditions: At 2 p.m. EDT this Wednesday afternoon, high pressure was bringing mostly sunny and warm conditions across the area. The sunshine and light north winds have sent both fine particulate and ozone into the moderate range this afternoon. Tonight will be clear to partly cloudy with low temperatures in the middle 60s. A developing inversion will cause PM2.5 concentrations to be elevated later overnight. *** Thursday's forecast: Turning out mostly cloudy for the day Thursday with afternoon and evening thunderstorms. Clouds will limit ozone formation to the good range, but fine particulate will still average in the moderate range with the highest levels expected during the morning, when an inversion will exist. Particulate matter should lower in the afternoon with increasing mixing. A shower and thunderstorm is likely again Thursday night into early Friday out ahead of a cold front. *** Extended forecast: A passing cold front Friday morning will allow winds to shift into the west, and increase pollutant dispersion by afternoon. Both ozone and fine particulate will fall into the good range. Sunshine with some clouds Saturday with a shower possible late in the day and at night. High pressure will win out again Sunday into early next week as an upper ridge of high pressure builds over the area. This will mean more sunshine and warm air, but possible increases in PM2.5 and ozone by early next week. A stronger cold front may move through by the middle of the week.---McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 5:00 EDT
61
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 31 Good
Particles (PM2.5) 61 Moderate

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