Ozone Data Summaries

IDEM utilizes air quality data to provide the following ozone summaries:

• Ozone Season Summary Reports: Annual reports containing an overview of ground-level ozone and its impacts, national air health standards, Indiana’s ozone monitoring network, ozone monitoring data, air quality trends, and ozone designations in Indiana.
• 8-Hour Ozone Status:
  • 2022 8-Hour Ozone Status [PDF]
  • 2021 8-Hour Ozone Status [PDF]
  • 2020 8-Hour Ozone Status [PDF]
  • 2019 8-Hour Ozone Status [XLS]
  • 2018 8-Hour Ozone Status [XLS]
  • 2017 8-Hour Ozone Status [XLS]
  • 2016 8-Hour Ozone Status [XLS]
  • 2015 8-Hour Ozone Status [XLS]
  • 2014 8-Hour Ozone Status [XLS]
  • 2013 8-Hour Ozone Status [XLS]
  • 2012 8-Hour Ozone Status [XLS]
  • 2011 8-Hour Ozone Status [XLS]
• 8-Hour Ozone Air Quality Action and Exceedance Days Summary:
  • 2022 8-Hour Ozone Air Quality Action and Exceedance Days Summary [PDF]
  • 2021 8-Hour Ozone Air Quality Action and Exceedance Days Summary [PDF]
  • 2020 8-Hour Ozone Air Quality Action and Exceedance Days Summary [PDF]
  • 2019 8-Hour Ozone Air Quality Action and Exceedance Days Summary [XLS]
  • 2018 8-Hour Ozone Air Quality Action and Exceedance Days Summary [XLS]
  • 2017 8-Hour Ozone Air Quality Action and Exceedance Days Summary [XLS]
  • 2016 8-Hour Ozone Air Quality Action and Exceedance Days Summary [XLS]
  • 2015 8-Hour Ozone Air Quality Action and Exceedance Days Summary [XLS]
  • 2014 8-Hour Ozone Air Quality Action and Exceedance Days Summary [XLS]
  • 2013 8-Hour Ozone Air Quality Action and Exceedance Days Summary [XLS]
  • 2012 8-Hour Ozone Air Quality Action and Exceedance Days Summary [XLS]
  • 2011 8-Hour Ozone Air Quality Action and Exceedance Days Summary [XLS]
• 8-Hour Ozone Critical Values:
  • 2022 8-Hour Ozone Critical Values [PDF]
  • 2021 8-Hour Ozone Critical Values [PDF]
  • 2020 8-Hour Ozone Critical Values [PDF]
  • 2019 8-Hour Ozone Critical Values [PDF]
  • 2018 8-Hour Ozone Critical Values [PDF]
  • 2017 8-Hour Ozone Critical Values [PDF]
  • 2016 8-Hour Ozone Critical Values [PDF]
  • 2015 8-Hour Ozone Critical Values [PDF]
  • 2014 8-Hour Ozone Critical Values [PDF]
  • 2013 8-Hour Ozone Critical Values [PDF]
  • 2012 8-Hour Ozone Critical Values [PDF]
  • 2011 8-Hour Ozone Critical Values [PDF]
  • 2010 8-Hour Ozone Critical Values [PDF]
  • 2009 8-Hour Ozone Critical Values [PDF]
  • 2008 8-Hour Ozone Critical Values [PDF]
  • 2007 8-Hour Ozone Critical Values [PDF] [XLS]
  • 2006 8-Hour Ozone Critical Values [PDF] [XLS]
  • 2005 8-Hour Ozone Critical Values [PDF] [XLS]