This website is funded by NASA and managed by NSIDC that provides the latest satellite data and scientific analyses of sea ice conditions in the Arctic and around Antarctica.

Apr 10, 2023 · Over the last 40 years, annual Arctic sea ice measurements show ice shrinking by 12.6 percent each decade, a pace of decline that’s unmatched by any point in at least the last …

Layers of frozen seawater cap the Arctic Ocean. This sea ice grows dramatically each winter, usually reaching its maximum in March. It melts just as dramatically each summer, reaching its …

Sea ice in the Arctic region has declined in recent decades in area and volume due to climate change. It has been melting more in summer than it refreezes in winter. Global warming, …

Feb 4, 2025 · This indicator tracks the extent, age, and melt season of sea ice in the Arctic Ocean.

Sea Ice motion over the Arctic Basin. Click image to animate. Sea ice shows up as various shades of grey and open ocean as blue. Each image is a snapshot of sea ice cover each day …

Jun 25, 2025 · Q: How has the age of Arctic Sea Ice changed over time? Since the late 1900s, Arctic sea ice has thinned, and less sea ice has persisted in the Arctic over multiple melt …

Jan 13, 2025 · The app highlights the decline in sea ice extent over time, showing a clear and compelling demonstration of the impacts of climate change on the Arctic. With this app, even …

Visualize sea ice extent (area of ocean with at least 15 percent sea ice concentration) data for the Arctic and Antarctic. View and compare sea ice extent data for any year or any combination of …

Sep 17, 2025 · Daily images of ice cover in the Arctic Ocean (left) and around Antarctica reveal sea ice formation and melting at the poles over the course of two years (Sept 14, 2023 to …