Arctic Sea Ice Extent

ANNUAL SEPTEMBER MINIMUM EXTENT

Data source: Satellite observations. Credit: NSIDC/NASA
Rate of Change
12.6
percent per decade

Arctic sea ice reaches its minimum extent (the area in which satellite sensors show individual pixels to be at least 15% covered in ice) each September. September Arctic sea ice is now shrinking at a rate of 13% per decade, compared to its average extent during the period of 1981 to 2010. This graph shows the size of the Arctic sea ice each September since satellite observations started in 1979. The monthly value shown is the average of daily observations across the month of September during each year and is measured from satellites.


Time Series: 1979-2022

Data source: Satellite observations.
Credit: NASA Scientific Visualization Studio
1979
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1979
2022

The animated map above shows the minimum size of the Arctic sea ice measured each year since 1979, based on satellite observations. The 2012 sea ice extent is the lowest in the satellite record.