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.

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.

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.

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.

September 16, 2021: Over the past week the sea ice has now decreased from last week by a much lower rate of 1.50% from the level on 09/09/2021 of 4.812 M km2 to 4.740 M km2 for this week.  The rate of loss at this time is about even with that in 2017, however, and well above the …

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September 9, 2021: Over the past week the sea ice has now decreased from last week by a slightly lower rate of 4.52% from the level on 09/02/2021 of 5.040 M km2 to 4.812 M km2 for this week.  The rate of loss at this time is about even with that in 2017, however, and well above the …

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September 2, 2021: Over the past week the sea ice has now decreased from last week by a slightly greater rate of 5.64% from the level on 08/26/2021 of 5.341 M km2 to 5.040 M km2 for this week.  The rate of loss at this time is about even with that in 2018, however, and well above the …

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August 26, 2021: Over the past week the sea ice has now decreased from last week by a slightly greater rate of 4.49% from the level on 08/19/2021 of 5.592 M km2 to 5.341 M km2 for this week.  The rate of loss at this time is not as low as in 2020, however, it is now above …

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August 19, 2021: Over the past week the sea ice has now decreased from last week by a lesser rate of 3.60% from the level on 08/12/2021 of 5.801 M km2 to 5.592 M km2 for this week.  The rate of loss at this time is not as low as in 2020, however, it is now above the …

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August 12, 2021: Over the past week the sea ice has now decreased from last week by a lesser rate of 4.45% from the level on 08/05/2021 of 6.071 M km2 to 5.801 M km2 for this week.  The rate of loss at this time is not as low as in 2020, however, it is even with the …

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