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:
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
Health Message: None
Air Quality Index (AQI)
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5)
Particles (PM2.5)
Forecast Discussion: Current conditions: At 2 p.m. EDT this Tuesday afternoon, an area of low pressure over central Virginia was bringing rain and rain showers to the region. The low pressure area will head out to sea later on tonight, allowing for clearing by morning as high pressure slowly builds in from the northwest. Winds and rainfall remain too light this afternoon to allow for PM2.5 concentrations to drop below the moderate range. Tonight, any showers will come to an end this evening, then skies will clear later on tonight. Increasing northwesterly winds later on will also bring fine particulate levels down to the good range. *** Wednesday's forecast: High pressure building southeastward into the area from the Great Lakes will bring a mostly sunny, but breezy day on Wednesday. Ample mixing and dry air will keep fine particulate in the good range. Afternoon temperatures will rise into the middle 50s, which is close to normal for late March. Mainly clear and cold Wednesday night with temperatures dropping close to the 30 degree mark. *** Extended forecast: We will experience periods of dry weather over the long range period, but also periods where the weather is wet and unsettled. The first of these unsettled periods will come Friday into Friday night with periods of rain. The next will come sometime Tuesday of next week with another low pressure area coming out of the Midwest. The best chances for moderate air quality will come on Thursday as well as Monday of next week, otherwise good air quality should prevail.---McAuliffe

Current Conditions
Data Not Available

Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

E-Mail Notification