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)
40 
Good
Health Message: None
Air Quality Index (AQI)
52 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5)
40 
Good
Particles (PM2.5)
52 
Moderate
Forecast Discussion: Current conditions: At 2 p.m. EST this Thursday afternoon, an area of high pressure over the eastern U.S. is bringing dry conditions with temperatures slightly above normal. Adequate mixing and the presence of dry air mean fine particulate levels are down in the good range. For tonight, expect a mostly cloudy sky. Not so cold with low temperatures in the upper 30s. *** Friday's forecast: A warm front moving northeastward from the Ohio valley will bring a period of rain in the morning into the early afternoon. High temperatures will climb into the middle 50s behind this front in the afternoon. Light mixing with warm air advection will send PM2.5 values into the moderate range. Partly to mostly cloudy and quite mild Friday night with low temperatures only in the upper 40s. *** Extended forecast: The forecast period will start out unseasonably mild with temperatures in the lower to middle 60s on Saturday, and with mixing limited, particulate matter will remain moderate. Later Sunday into Monday night, a storm tracking to our south and east will bring some rain back in to the area, with a period of snow possible Monday night into Tuesday morning. Accumulating snow is possible in the mountains to the south and east of Pittsburgh as temperatures fall below freezing. Dry weather will make a comeback by the middle of next week, with a strong cold front bringing back more winter like conditions by next weekend. Air quality will remain moderate on Sunday, but will turn good with stronger mixing early next week.---McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 22:00 EST
55
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 0 Good
Particles (PM2.5) 55 Moderate

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