July 28, 2022: Over the past week, the sea ice has now decreased by a higher rate from last week of 10.91%, from the level on 07/21/2022 of 7.929 M km2 to 7.064 M km2 for this week.
![NH sea ice extent 2022 07 28](https://akclimate.org/wp-content/uploads/2022/07/NH_seaice_extent-2022-7-28-1024x623.png)
Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).
The negative sea ice anomaly this week was lower from the anomaly of -0.993 M km2 on 07/21/2022 to a more negative anomaly of -1.292 M km2 on 07/28/2022 and so more anomalously negative for this time of year.
![Sea ice extent anomaly 2022 07 28](https://akclimate.org/wp-content/uploads/2022/07/NH_seaice_extent-anomaly2022-7-28-1024x623.png)
Data Source: National Snow & Ice Data Center (NSIDC; https://nsidc.org/).