File name: ClimateDashboard_1400px_20210401_ArcticSeaIce_max.jpg Original Resolution: 1400 × 1200 File Size: 491 KB (MIME Type: image/jpeg) Date Published: May 7, 2021 Download file View image caption Sea ice concentration on March 21,2021—the day of the winter maximum extent. The gold line shows the median extent based on data from 1981-2020. Map by NOAA Climate.gov, based on data from NSIDC.