INDIANAPOLIS – The Indiana Department of Environmental Management (IDEM) has issued an Air Quality Action Day and is forecasting high ozone levels today in central Indiana.
Counties within the ozone warning are Marion, Bartholomew, Boone, Brown, Delaware, Hamilton, Hancock, Hendricks, Johnson, Madison, Monroe, Morgan and Shelby.
IDEM examines weather patterns and current ozone readings to make daily air quality forecasts. To learn more about ozone or sign up for air quality forecasts, visit SmogWatch.IN.gov.
Ground-level ozone is formed when sunlight and hot weather combine with vehicle exhaust, factory emissions and gasoline vapors. Ozone in the upper atmosphere blocks ultraviolet radiation, but ozone near the ground is a lung irritant that can cause coughing and breathing difficulties.
