Lehigh Valley
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 DayAction Day
Local Air Quality Resources
Current Air Quality Index | Forecast | Ozone Action Program
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)
Health Message: None
Data Not Available
AQI - Pollutant Details
Particles (PM2.5)
Data Not Available
Forecast Discussion: Current Conditions: Brisk conditions persist across the region as of 2 p.m. EST this Thursday afternoon. Plenty of mixing still exists to keep overall levels of PM2.5 in the good range. High pressure will slowly build into the northeastern part of the nation over the next couple of days. This will act to lighten the winds across the region and result in a deterioration of air quality over the weekend. Tonight will bring a partly to mostly cloudy sky with low temperatures in the upper 20s. *** Friday's forecast: High pressure will move slowly eastward from the Great Lakes on Friday. Enough of a northwesterly flow will prevail to keep PM concentrations on the low side. High temperatures will reach around the 40 degree mark with clouds and some sun. Clear to partly cloudy Friday night with increasing levels of PM later on. The mercury will drop into the lower to middle 20s. *** Extended forecast: A large high pressure area will sit across the northeastern US this weekend as an area of low pressure moves across the southeast. Lighter winds limiting mixing Saturday into the day Sunday will mean increasing levels of PM to the moderate zone. Temperature inversions are also likely late at night into the early morning hours, further acting to trap PM close to the ground. Another area of low pressure may then bring some rain and even a bit of ice Monday night into Tuesday morning. A major storm will then bring some rain our way by Christmas eve, with windy and chilly conditions expected for Christmas Day.---McAuliffe

Current Conditions
Data Not Available

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