Update 2025-04-18: Our servers are back up again. We are currently reprocessing the missing data, which should appear here within the next hours.

Update 2025-02-14: We are very sorry but the network maintenance could not be finished today. We now hope that our services are back online on Monday.

We are very sorry but we have again problems with our infrastructure. Some network components need to be exchange, which also affected the accessibility of our data server.

Services should be up again tomorrow, 14.2.2025, evening CET. We are sorry for the inconvenience.

Daily AMSR2 Sea ice concentrations

Arctic	Antarctic

Daily Ice Thickness and Sea Ice Concentration Time Series

Merged SMOS and SMAP Thin Sea Ice Thickness	Sea Ice Extent in the Arctic
	Click on the image to enlarge. Annual Arctic sea ice extent (total area of at least 15% ice concentration) for the last 6 years and the minimum year 2012.