Data 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
ACHD website | Air Quality Action Day Program | Forecast | PADEP website
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
Air Quality Index (AQI)
Health Message: None
AQI - Pollutant Details
Particles (PM2.5)
Particles (PM2.5)
Forecast Discussion: Current conditions: High pressure is moving off of the east coast this Wednesday afternoon, with low pressure across the Midwestern part of the nation slowly advancing in our direction. Rain from this system will affect our areas later on tonight into early Thursday afternoon. After a morning where fine particulate levels were elevated to moderate, all areas are down inside the good range this afternoon. Rainfall and brisk south to southwest winds will keep PM2.5 down in the good range overnight into Thursday. Temperatures will drop little tonight, then will recover to around 60 degrees Thursday. Partly cloudy Thursday night with areas of fog. Lows in the upper 30s. Extended forecast: Sunshine and a few clouds on Friday with fine particulate levels rising some, but probably to the upper end of the good range. Temperatures will be close to normal for this time of year. The next cold front comes through Saturday with a shower or two possible. Breezy and rather mild Saturday with high temperatures well into the 60s, and this mixing may also maintain low levels of fine particulate. A wave of low pressure will form on the front to the south of us Sunday, and could result in another shower. Dry weather with high pressure returning for early next week with above normal temperatures and a return to moderate air quality.---McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 18:00 EDT
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
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 24 Good
Particles (PM2.5) 52 Moderate

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