Areas of green indicate more ice than 2007. Areas of red mean less ice than 2007.
The ice free Arctic has gained 22,767 Manhattans of ice since the same date in 2007, and 38,156 Manhattans since the minimum one month ago. A new Manhattan of ice has been forming every 68 seconds since September 19. Daily ice extent has averaged 338,043 km² (5,729 Manhattans) higher in 2010 than 2007.
There are currently 119,743 Manhattans of ice in John Holdren’s ice free Arctic.