Ozone Data Summaries Air Monitoring Air Quality Data Current: Ozone Data Summaries IDEM utilizes air quality data to provide the following ozone reports and summaries:Ozone Season Summary Reports8-Hour Ozone Status:8-Hour Ozone Status 2022 [PDF]8-Hour Ozone Status 2021 [PDF]8-Hour Ozone Status 2020 [PDF]Archive: 8-Hour Ozone Status 2011 - 2019 [ZIP]8-Hour Ozone Air Quality Action and Exceedance Days Summary:8-Hour Ozone Air Quality Action and Exceedance Days Summary 2022 [PDF]8-Hour Ozone Air Quality Action and Exceedance Days Summary 2021 [PDF]8-Hour Ozone Air Quality Action and Exceedance Days Summary 2020 [PDF]Archive: 8-Hour Ozone Air Quality Action and Exceedance Days Summary 2011 - 2019 [ZIP]8-Hour Ozone Critical Values:8-Hour Ozone Critical Values 2022 [PDF]8-Hour Ozone Critical Values 2021 [PDF]8-Hour Ozone Critical Values 2020 [PDF]Archive: 8-Hour Ozone Critical Values 2005 - 2019 [ZIP]
