The Arctic’s winter ice extent reached its lowest recorded level in March since satellite monitoring began in 1979. On March 21, 2025, the sea ice cover measured 14.45 million square kilometres ...

On September 18, Arctic sea ice reached its minimum summer extent for 2019. Since 1979, this minimum extent, at just 4.153 million square kilometres, was the second lowest on record.

Sea ice has been shrinking at an average rate of about 5 per cent each decade. The centre said the maximum extent of this year's ice is more than a million square kilometres below the 30-year ...

Other Arctic-related information that the NSIDC said will be limited by NOAA’s discontinuation of services include gridded monthly analyses of sea ice extent and concentration, a dataset that ...

A map from NOAA's National Snow and Ice Data Center shows this year's Arctic sea ice extent was significantly smaller than the median extent for the period 1981 to 2010.