Lehigh Valley
 
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
Air Quality Action Day Program | 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:
Current Conditions
Air Quality Index (AQI)
observed at 16:00 EST
29
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 29 Good
Particles (PM2.5) 12 Good
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
24
Good
Health Message: None
Air Quality Index (AQI)
34
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
24
Good
Particles (PM2.5)
34
Good
Forecast Discussion: Current conditions: Much colder air continues to sweep into the area this Tuesday afternoon in the wake of Monday's mild readings, and with the very clean polar air mass, particle levels are well down inside the good range. Tonight will be quite cold under a moonlit sky, with low temperatures close to the record for Allentown of 18 degrees set in 1996. *** Wednesday's forecast: Sunshine most of the time Wednesday, but still on the cold side as temperatures only recover to the middle 30s, which is slightly under the normal high temperature for mid-January. Enough low level mixing will persist to where fine particulate levels remain in the good range. *** Extended forecast: Moderation in temperatures is likely Thursday as high pressure moves off to the east, and winds shift into a southwesterly direction. The next cold front passes Friday evening, but will likely go through with little or no precipitation. Another shot of cold air will follow this front over the weekend with a new area of high pressure building in. Light winds and limited mixing might bring moderate air quality later on this week, but improving to the good range over the weekend.---McAuliffe
Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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