Hottest year ever update: Arctic sea ice extent now more than 10,000 Manhattans larger than it was three years ago

Arctic Sea Ice News & Analysis

Sea ice extent averaged over October 2010 was the third lowest over the satellite data record at 7.69 million square kilometers (2.97 million square miles). This was 1.60 million square kilometers (618,000 square miles) below the 1979 to 2000 average for October, but 920,000 square kilometers (355,000 square miles) above the record low for the month, which occurred in October 2007.