The ice cap tied for the sixth lowest extent on record, continuing a long-term decline.
Published Sep 28, 2018Image of the Day Water Snow and Ice Remote Sensing Sea and Lake Ice
On September 12, 2009, sea ice reached its annual minimum extent, covering 5.10 million square kilometers (2.97 million square miles) of the Arctic Ocean. This image shows the 2009 ice extent compared to the 1979-2000 average.
Published Sep 19, 2009The amount of Arctic Ocean covered by ice was significantly more than the record low of 2012, but still well below the long-term average.
Published Sep 21, 2013These images show overall Arctic sea ice extent on September 19, 2010 (the date of the 2010 minimum), and sea ice growth in mid-September 2010.
Published Oct 6, 2010The Arctic sea ice extent continues its long-term downward trend.
Published Sep 22, 2020Image of the Day Heat Land Water Snow and Ice Remote Sensing Sea and Lake Ice
These maps compare Arctic sea ice minimum extents in 1984 (a year with average coverage) and 2012 (the new record low).
Published Sep 27, 2012This animation shows Arctic sea ice shrinking to a near record minimum in the summer of 2011.
Published Sep 22, 2011The 2014 arctic sea ice minimum is the sixth lowest on record, while antarctic sea ice continues to exceed the record maximum extent.
Published Sep 24, 2014Since satellites began monitoring sea ice in 1979, researchers have observed a decline in the average extent of Arctic sea ice in every month of the year.
Published Sep 16, 2016Compiled from passive microwave sensor data, these images show Arctic sea ice extent for September 2002 and March 2003.
Published May 16, 2009On August 26, 2012, Arctic sea ice broke all previous records weeks ahead of the end of melt season.
Published Aug 28, 2012