Arctic Sea Ice Reaches 2021 Minimum Extent

Arctic sea ice reached its minimum extent on Sept. 16, 2021, at million square kilometers ( million square miles). Read more: Music: “Celestial Vault” from Universal Production Music Video credit: NASA’s Goddard Space Flight Center Kathleen Gaeta (GSFC AIMMS): Lead Producer Trent L. Schindler (USRA): Lead Animator Roberto Molar (KBR): Lead Writer This video can be freely shared and downloaded at While the video in its entirety can be shared without permission, the music and some individual imagery may have been obtained through permission and may not be excised or remixed in other products. Specific details on such imagery may be found here: For more information on NASA’s media guidelines, visit If you liked this video, subscribe to the NASA Goddard YouTube channel: