Arctic Sea Ice Hits 2026 Annual Low, Ties for 10th Smallest on Record

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Arctic sea ice reached its 2026 annual minimum extent on September 12, according to NASA and the National Snow and Ice Data Center at the University of Colorado Boulder. The ice covered approximately 1.78 million square miles, or 4.6 million square kilometers. This figure ties the extents recorded in 2008, 2010, and 2025, placing 2026 among the ten lowest minimums in the satellite observation record. Scientists track the annual minimum each year as a key indicator of long-term changes in the Arctic climate system.

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