These maps, taken from a NOAA site http://polar.ncep.noaa.gov/seaice/analysis/nh, show the ice concentration in the Arctic Ocean today, three years ago, and six years ago. By use of the buttons, you can set these maps to any day since the 1st July 1998. Today's map is available after 15:00 hrs GMT. This Javascript page was inspired by Robert Grumbine's
http://polar.ncep.noaa.gov/seaice/nh.html.