Air Quality Forecast

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Air Quality Data

• Current Running Averages
• Hourly Un-edited Data
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  • Yesterday's Ozone Data
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Yesterday's Ozone Data

Below you will find yesterday's 8-hour average ozone concentrations for various monitors throughout the state. This map is updated daily, by 9:30 am between May 1 and September 30. The data is color coded to correspond to the EPA's Air Quality Index. The most recent hourly ozone and fine particle data can be found on the Current Air Quality Data page.