June 12, 2025: The Arctic sea ice has experienced a greater decrease for this week of 4.75% (last week’s decrease rate was 3.76%), from the level on 06/05/2025 of 11.369 M km² to 10.829 M km² for this week.

The negative sea ice anomaly this week was higher than the anomaly of -0.6017 M km² on 06/05/2025 to a greater negative anomaly of -0.7613 M km² on 06/12/2025, and so more anomalously negative for this time of year.