Arctic Sea Ice

The map shows the monthly sea ice cover in the Arctic. The black line is the median extent (1981-2010) for this month. Use the slider to change month.

The graph shows the change in sea ice cover since 1979, in percent from the mean extent (1981-2010). Use the slider to change the year shown.

Day-by-day changes in ice cover

Map data: Sea Ice Index, Natural Earth

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