Louisville
 
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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
Action Day Program | Louisville Air Pollution Control District | Today's AQI | Today's Air Quality Data
 
State Air Quality Resources
American Lung Association (ALA) of Kentucky
Kentucky Air Quality Index (AQI) Program
Kentucky Department of Environmental Protection
Kentucky Division for Air Quality
Kentucky Division for Air Quality - Contacts
Louisville Metro Air Pollution Control District
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
Moderate Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
Air Quality Index (AQI)
Good Good
Health Message: None
AQI - Pollutant Details
Ozone
Moderate
Moderate
Particles (PM2.5)
Moderate
Moderate
Ozone
Good
Good
Particles (PM2.5)
Good
Good
Forecast Discussion: PM2.5 was moderate in southern Indiana on Friday, good on Saturday, and moderate in western Indiana on Sunday. Ozone was mostly good on Friday (only one moderate in southern Indiana), and good on Saturday and Sunday. A moist air mass will remain in place on Tuesday, as dew points remain in the low 70’s in southern Indiana, but drop down to the mid 60’s for central Indiana. Temperatures look to be in the mid 80’s to around 90 in southern Indiana. Only chance of storms will be in southwest Indiana. With little ozone production occurring lately, will predict a low moderate for Tuesday. On Wednesday, an upper level wave and an cold front will move through during the day, increasing both cloud cover and the chance of rain.

Current Conditions
Air Quality Index (AQI)
observed at 14:00 EDT
87
Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion outdoors.
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 87 Moderate
Particles (PM10) 19 Good
Particles (PM2.5) 68 Moderate

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