April 21, 2022: Over the past week, the sea ice has now decreased by a rate of 1.83% from the level on 04/14/2022 of 14.081 M km2 to 13.824 M km2 for this week.
![](https://akclimate.org/wp-content/uploads/2022/04/NH_seaice_extent-2022-4-21-1024x623.png)
Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).
![](https://akclimate.org/wp-content/uploads/2022/04/NH_seaice_extent-anomaly2022-4-21-1024x623.png)
Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).