April 17, 2025: The Arctic sea ice has experienced an extremely small decrease for this week of 0.04% (last week’s decrease rate was 0.14%), from the level on 04/10/2025 of 13.959 M km2 to 13.954 M km2 for this week.
Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).
The negative sea ice anomaly this week was lower than the anomaly of -0.5932 M km2 on 04/10/2025 to a lesser negative anomaly of -0.3531 M km2 on 04/17/2025, and so less anomalously negative for this time of year.
Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).