U.S. National Ice Center Arctic and Antarctic Sea Ice Concentration and Climatologies in Gridded Format, Version 1

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Weekly sea ice concentration charts from the U.S. National Ice Center (USNIC) along with total ice concentration, multiyear ice concentration, first-year ice concentration, thin ice concentration, and fast ice extent. In addition, there are also period-of-record, 5-year and 10-year climatological averages.

Data and Resources

Additional Info

Field Value
Maintainer Earthdata Forum
Last Updated June 16, 2026, 02:44 (UTC)
Created April 1, 2025, 19:44 (UTC)
accessLevel public
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harvest_source_id b99e41c6-fe79-4c19-bbc3-9b6c8111bfac
harvest_source_title Science Discovery Engine
identifier 10.7265/46cc-3952
license https://www.usa.gov/government-works
modified 2026-06-08T22:16:03Z
programCode {026:000}
publisher NSIDC
resource-type Dataset
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source_hash 33f66926ea2b9a9f799defbb747ffa710925cdc9597788456399926e8c97d7c4
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spatial ["CARTESIAN", [{"WestBoundingCoordinate": -180.0, "NorthBoundingCoordinate": -19.0, "EastBoundingCoordinate": 180.0, "SouthBoundingCoordinate": -90.0}, {"WestBoundingCoordinate": -180.0, "NorthBoundingCoordinate": 90.0, "EastBoundingCoordinate": 180.0, "SouthBoundingCoordinate": 19.0}]]
temporal 2003-01-06/2026-06-08
theme {"Earth Science"}