Louisville
 
Data and Forecasts courtesy of:
 

 - https://files.airnowtech.org/airnow/today/cur_aqi_ky_tn.jpg Map Map Map Map Map Map Map Map Map Map Map Map Map Map
 
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AQI Forecast - https://files.airnowtech.org/airnow/today/forecast_aqi_20191112_ky_tn.jpg Map Map Map Map Map Map Map Map Map Map Map Map Map Map
 
Legend: National Parks/Monuments National Parks/Monuments
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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
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 Division for Air Quality
Kentucky Division for Air Quality - Contacts
Kentucky Energy & Environment Cabinet
Louisville Metro Air Pollution Control District
 
Data and Forecasts courtesy of:
Current Conditions
Air Quality Index (AQI)
observed at 16:00 EST
29
Good
Health Message: None
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 29 Good
Particles (PM10) 8 Good
Particles (PM2.5) 20 Good
Air Quality Forecast
Today Tomorrow
Air Quality Index (AQI)
Good Good
Health Message: None
Air Quality Index (AQI)
Good Good
Health Message: None
AQI - Pollutant Details
Ozone
Good
Good
Particles (PM2.5)
Good
Good
Particles (PM2.5)
Good
Good
Forecast Discussion: Arctic air mass will remain over the area through Wednesday morning, followed by a slight warm up due to southerly winds through Friday. Dew points will be increasing as well. Relative humidity values during daylight hours will drop into the 50%’s, preventing PM buildup. Northerly winds return Friday. No great chance of precipitation this week.
Past Air Quality Maps and Data
Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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