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https://ourworldindata.org/grapher/monthly-sea-ice-extent-in-the-arctic
Monthly sea ice extent in the Arctic - Our World in Data
Each point represents the monthly average sea ice extent. Years in the current decade are highlighted in red, with the current year highlighted in black.
sea ice extentworld datamonthlyarctic
https://nsidc.org/data/g10039/versions/1
Seasonal Antarctic Sea Ice Extent Reconstructions, 1905-2020, Version 1 | National Snow and Ice...
antarctic sea iceversion 1 nationalseasonalextentreconstructions
https://nsidc.org/news-analyses/news-stories/antarctic-sea-ice-extent-arrives-near-average-minimum
Antarctic sea ice extent arrives at a near-average minimum | National Snow and Ice Data Center
Antarctic sea ice has likely reached its minimum extent for the year, at 2.58 million square kilometers (996,000 square miles) on February 26, 2026, ranking...
antarctic sea icenear averagenational snowdata centerextent
https://marine.copernicus.eu/access-data/ocean-monitoring-indicators/arctic-monthly-mean-sea-ice-extent-observations
Arctic Monthly Mean Sea Ice Extent from Observations Reprocessing | CMEMS
a) The seasonal cycle of Northern Hemisphere sea ice extent expressed in millions of km2 averaged over the period 1979-2022 (red), shown together with the...
sea ice extentobservations reprocessingarcticmonthlymean
https://nsidc.org/sea-ice-today/analyses/arctic-sea-ice-extent-levels-2024-minimum-set
Arctic sea ice extent levels off; 2024 minimum set | National Snow and Ice Data Center
On September 11, Arctic sea ice likely reached its annual minimum extent of 4.28 million square kilometers (1.65 million square miles). The 2024 minimum is the...
arctic sea icenational snowdata centerextentlevels
https://www.carbonbrief.org/guest-post-deciphering-the-rise-and-fall-of-antarctic-sea-ice-extent/
Guest post: Deciphering the rise and fall of Antarctic sea ice extent - Carbon Brief
Jul 23, 2021 - Antarctic sea ice extent increased gradually over much of the satellite record (1979 to present), reaching successive record highs in 2012-14.
antarctic sea iceguest postcarbon briefdecipheringrise
https://marine.copernicus.eu/ocean-climate-portal/antarctic-sea-ice-extent
Antarctic Sea Ice Extent | CMEMS
antarctic sea iceextentcmems