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)
37 
Good
Health Message: None
Air Quality Index (AQI)
44 
Good
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
37 
Good
Particles (PM2.5)
44 
Good
Forecast Discussion: Current Conditions: Low pressure developing off the New Jersey coast this Monday afternoon will rapidly intensify over the next 12 hours. As this occurs, very heavy snow will develop from northeastern New Jersey into southern New England. For us, we should see a few of the heavier snow bands associated with this storm affect our area tonight into early Tuesday morning. Winds this afternoon are becoming brisk from the northeast, and this has helped keep PM2.5 concentrations down in the good range. Periods of snow will continue this afternoon and tonight, and may accumulate another 3-6 inches. Winds will shift into more of a northerly direction overnight, keeping fine particulate concentrations low. *** Tuesday's forecast: Brisk and cold Tuesday with north to northwesterly winds. Periods of morning snow will taper down to flurries in the afternoon. Total storm accumulations 4 to 8 inches. Plenty of mixing will prevent PM levels from getting out of the good category. Afternoon temperatures will reach into the lower 30s. Quite cold Tuesday night with a little clearing--air quality should remain good. Lows dropping into the lower to middle teens. *** Extended forecast: Sunshine will return for the most part on Wednesday, but it will remain on the cold side as temperatures struggle in the upper 20s. Enough mixing will take place to keep fine particulate levels low. As high pressure begins to move off to the east Thursday, winds will lighten and turn into the southwest. PM levels should be on the increase, perhaps into the moderate range once more. A clipper system will then bring a bit of snow for late Thursday into Friday. Northwest winds behind this system will then clean things out to the good range again Friday into Saturday. Air quality then turns more moderate Saturday night into Sunday out ahead of the next weather system.---McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 13:00 EST
29
Good
Health Message: None
AQI - Pollutant Details
Ozone 29 Good
Particles (PM2.5) 24 Good

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