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Current Ozone Monitoring Data

Maximum Daily 8-hour Average Ozone Concentrations in South Carolina

Click on an image to view a graph of current maximum daily 8-hour average ozone concentrations by region. These graphs are updated weekly.

DHEC is providing the current year's ozone monitoring data as a service to the public. The data is preliminary and subject to change. The spreadsheet below contains:

  • the four highest daily maximum 8-hour ozone concentrations
  • daily data entries
  • three-year design values, which are calculated and compared to the ozone standard to determine compliance
  • regional graphs of maximum 8-hour ozone concentrations

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  • Data and Reports
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