Arctic Sea Ice Likely Bottomed Out at 4.60 Million Square Kilometers, Tying for 11th Lowest on Record
Nature World News | 23.09.2026 07:00Arctic sea ice has likely reached its smallest extent of the year and begun to refreeze. The preliminary minimum of 4.60 million square kilometers (about 1.78 million square miles) occurred on Sept. 12, based on National Snow and Ice Data Center data, according to an analysis by Alaska climate specialist Rick Thoman published Sept. 17.
