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
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
48 
Good
Health Message: None
Air Quality Index (AQI)
54 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
AQI - Pollutant Details
Ozone
48 
Good
Particles (PM2.5)
45 
Good
Ozone
54 
Moderate
Particles (PM2.5)
50 
Good
Forecast Discussion: Current conditions: At 2 p.m. EDT this Thursday afternoon, warm and humid conditions prevail across the area out ahead of a cold front moving across the Ohio valley. Ozone levels remain down in the upper good range, but enough humidity is present to keep some areas in the low moderate range with particulate matter. A thunderstorm or two will cross parts of the area this afternoon into this evening, otherwise tonight will be partly cloudy with low temperatures holding around 70 degrees. *** Friday's forecast: A cold front is expected to be well to the south and east of the area on Friday, allowing for more sunshine and a breezy northwesterly flow. Ozone and fine particulate will improve to the good range with the influx of clean and dry air. Afternoon temperatures reaching the middle 80s. Mostly clear and pleasant Friday night with lows in the lower to middle 60s. *** Extended forecast: A large area of high pressure will control the weather over the weekend, and bring mostly good air quality early, but this may deteriorate by later Sunday into Monday as warmer and more humid air moves back in with light southwest winds. Weak impulses of cool air aloft may also trigger afternoon and evening thunderstorm activity by early next week, and ozone concentrations will of course depend on the extent of this convection.---McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 4:00 EDT
64
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) 64 Moderate

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