Arctic ice coverage is declining at a substantial rate

Daily extent of sea ice in the northern hemisphere, millions of sq km

20

All years 1979 to present

15

2023

10

5

2012: Lowest on record

0

S

J

F

M

A

M

J

J

A

O

N

D

20

All years 1979 to present

15

2023

10

5

2012: Lowest on record

0

Sep

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Oct

Nov

Dec

Guardian graphic. Source: The National Snow and Ice Data Center. Notes: Data supplied for every other day between 1981 and 1987. No data available between 2 Dec 1987 and 13 Jan 1988