Charctic Interactive Sea Ice Graph

  • View additional years by clicking the dates in the legend.
  • Roll your cursor over the line to see daily sea ice extent values.
  • Zoom in to any area on the chart by clicking and dragging your mouse.
  • To see a corresponding daily sea ice concentration image, click on a line in the chart. Sea ice extent is derived from sea ice concentration. Images are not available for the average or standard deviation.
  • When reusing Charctic images or data, please credit “National Snow and Ice Data Center.”
  • Currently, some functions do not work in Internet Explorer. We recommend using a different browser.
  • For more information about the data, see About Charctic data.
  • If you have questions or problems, please contact NSIDC User Services at