Mercer County
 
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 Day
 
Local Air Quality Resources
 
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)
39 
Good
Health Message: None
Air Quality Index (AQI)
46 
Good
Health Message: None
AQI - Pollutant Details
Ozone
39 
Good
Ozone
46 
Good
Forecast Discussion: At 2 p.m. EDT this Friday afternoon, an area of low pressure was moving into the Ohio valley. This low will be a weather maker for us tonight into the day Saturday. Showers and thunderstorms are likely to occur during this period, and with the expected extensive cloud cover, ozone formation will be limited. Clouds and a little sunshine for Sunday, but there is still the chance for afternoon convection, keeping ozone from reaching the moderate range. As we move into next week, a ridge of high pressure will build in by the middle of the week. This will force ozone concentrations into the moderate range.---McAuliffe

Current Conditions
Air Quality Index (AQI)
observed at 8:00 EDT
54
Moderate
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 10 Good
Particles (PM2.5) 54 Moderate

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