June 2025 #Arctic sea ice extent was the 2nd lowest on record for the month...
This was 1,280,000 km² below the 1981-2010 average. June ice extent is decreasing at about 3.68% per decade. Data: NSIDC (https://nsidc.org/data/seaice_index).
Animation of a blue moving line graph time series of Arctic sea ice extent for every June from 1979 to 2025. A red dashed line is also annotated to compare 2025's levels. There is a long-term decreasing trend and large interannual variability.