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Arctic Sea Ice

Arctic Sea Ice Extent: October 14, 2021

October 14, 2021: Over the past week the sea ice has now increased from last week by a rate of 9.58% from the level on 10/07/2021 of 5.719 M km2 to 6.325 M km2 for this week.

Arctic Sea Ice Extent: October 7, 2021

October 7, 2021: Over the past week the sea ice has now increased from last week by a rate of 8.59% from the level on 09/30/2021 of 5.228 M km2 to 5.719 M km2 for this week.

Arctic Sea Ice Extent: September 30, 2021

September 30, 2021: Over the past week the sea ice has now increased from last week by a rate of 6.64% from the level on 09/23/2021 of 4.881 M km2 to 5.228 M km2 for this week.

Arctic Sea Ice Extent: September 23, 2021

September 23, 2021: Over the past week the sea ice has now increased from last week by a rate of 2.89% from the level on 09/16/2021 of 4.740 M km2 to 4.881 M km2 for this week. This marks the end of the sea ice loss season, with a minimum value of 4.740 M km2 for 2021.