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)
50 
Good
Health Message: None
Air Quality Index (AQI)
55 
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5)
50 
Good
Particles (PM2.5)
55 
Moderate
Forecast Discussion: Current conditions: As of 2 p.m. EDT this Monday afternoon, high pressure was moving off the east coast. The flow around this high was creating southerly winds, which were bringing in higher temperatures and humidity. Enough mixing does exist to keep fine particulate from rising above the upper good range. Over the next few days, the weather will turn more unsettled thanks to an area of low pressure currently over the Great Lakes which will move slowly southeastward and come to a stop just off the New Jersey coast. So, for tonight, expect a mostly cloudy sky with light and variable winds later on. A shower cannot be ruled out. *** Tuesday's forecast: Low pressure will move slowly across the state on Tuesday. Plenty of clouds and a couple of showers will result. Light mixing and low amounts of ventilation will result in fine particulate moving into the moderate range. High temperatures will bounce into the lower to middle 60s. A shower or two is still possible Tuesday night as winds shift more into the north and northeast. Fine particulate will drop into the good zone. *** Extended forecast: A nearly stalled out area of low pressure off the coast of New Jersey will bring a gusty northerly flow for Wednesday into Thursday. A shower or two cannot be ruled out either day, with limited sunshine. Good air quality will be the rule as north to northwest winds strengthen. A broad northwesterly flow then continues Thursday into Friday, with more sunshine appearing Friday. High pressure then builds in over the weekend, with continued dry air advection bringing good air quality. Winds will be gusty late this week, but then drop off over the weekend as the high gets closer. Temperatures in the long range period will average close to normal for late October.--McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 20:00 EDT
33
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5) 33 Good
Ozone 25 Good

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