Liberty/Clairton area
 
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
Current Air Quality Index | Forecast
 
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)
51 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
56 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5)
51 
Moderate
Particles (PM2.5)
56 
Moderate
Forecast Discussion: Current conditions: At 2 p.m. EST this Monday afternoon, high pressure was moving off of the east coast, with a light southerly flow prevailing. Despite decreases into the good range in many locations this afternoon in regards to fine particulate, some locations will still be low moderate overall today. A warm front will move through tonight with a little rain expected, and low temperatures will fall only slightly from current levels. *** Tuesday's forecast: Milder on Tuesday with a southwesterly flow continuing, and there will also be a couple of showers as well. The mercury will rise to near 60 degrees in the afternoon, with a few locations continuing to experience fine particulate in the moderate range. Very mild Tuesday night with more significant rainfall late, with temperatures only in the middle 50s. *** Extended forecast: A strong cold front will sweep through the area early on Wednesday, with rain and a thunderstorm likely. Turning colder Wednesday afternoon and night with air quality improving to the good range. Snow showers are likely late Wednesday night into Thursday, then a period of steady snow is possible Thursday night as low pressure passes over Pennsylvania, with some accumulations possible, even in valley areas. Cold air will persist into Saturday, then moderation in temperatures are possible Sunday into Monday. ---McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 17:00 EST
38
Good
Health Message: None
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 38 Good
Particles (PM2.5) 35 Good

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