Antarctic ozone hole

Size of the ozone hole over Antarctica from 1/7 to 31/12 for the years 2002-2017 (2017 in red, 2015 in blue and 2002 in green). The size is defined as the area south of 62-90S with ozone total columns below 220 DU. The data are taken from the CAMS interim reanalysis (2003-2016), the CAMS NRT (Near Real Time) forecast (2017) and ERA5 (2002)