On September 19, Arctic sea ice likely reached its annual minimum extent of 4.23 million square kilometers (1.63 million square miles). The 2023 minimum is 6th lowest in the nearly 45-year satellite record. Learn more: https://t.co/3pgafJZXL2 pic.twitter.com/TdYATT2NCn

— National Snow and Ice Data Center (@NSIDC) September 25, 2023