Arctic & Antarctic Sea Ice Monitor
How much ocean is covered by sea ice at each pole — updated daily from NSIDC satellite data.
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Arctic · sea ice area
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Antarctic · sea ice area
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Days lower than ever on that date
In 2026, how many days had less ice than on that same date in any year since 1979? That is different from “less than usual for this time of year” (the comparison under the big numbers above).
Arctic
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Antarctic
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M km² per decade (annual mean)
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Jan–Apr peak