Annual Records
The maximum of the daily ozone hole size and the minimum of the
Southern Hemisphere daily ozone minimums for each year and the
date of occurrence. Date links are to the image for the
particular day. There are no data for 1995.
The mean ozone hole size for 07 September–13 October
and the minimum of Southern Hemisphere mean ozone for 21
September–16 October for each year. There are no data
for 1995.
Ozone Hole Area |
Minimum Ozone |
|
| (million km2) | (DU) | |
| 07 September | 21 September | |
| Year | through 13 October | through 16 October |
| 1979 | 0.1 | 225.0 |
| 1980 | 1.4 | 203.0 |
| 1981 | 0.6 | 209.5 |
| 1982 | 4.8 | 185.0 |
| 1983 | 7.9 | 172.9 |
| 1984 | 10.1 | 163.6 |
| 1985 | 14.2 | 146.5 |
| 1986 | 11.3 | 157.8 |
| 1987 | 19.3 | 123.0 |
| 1988 | 10.0 | 171.0 |
| 1989 | 18.7 | 127.0 |
| 1990 | 19.2 | 124.2 |
| 1991 | 18.8 | 119.0 |
| 1992 | 22.3 | 114.3 |
| 1993 | 24.2 | 112.6 |
| 1994 | 23.6 | 92.3 |
| 1996 | 22.8 | 108.8 |
| 1997 | 22.1 | 108.8 |
| 1998 | 25.9 | 98.8 |
| 1999 | 23.3 | 102.9 |
| 2000 | 24.8 | 98.7 |
| 2001 | 25.0 | 100.9 |
| 2002 | 12.0 | 157.4 |
| 2003 | 25.8 | 108.7 |
| 2004 | 19.5 | 123.5 |
| 2005 | 24.4 | 113.8 |
| 2006 | 26.6 | 98.4 |
| 2007 | 22.0 | 116.2 |
| 2008 | 25.2 | 114.0 |
| 2009 | 22.0 | 107.9 |
| 2010 | 19.4 | 128.5 |
| 2011 | 24.7 | 106.5 |
| 2012 | 17.8 | 139.3 |
| 2013 | 21.0 | 132.7 |
| 2014 | 20.9 | 128.6 |
| 2015 | 25.6 | 117.2 |
| 2016 | 20.7 | 123.2 |
| 2017 | 17.4 | 141.8 |
| 2018 | 22.9 | 111.8 |
| 2019 | 9.3 | 167.0 |
| 2020 | 23.5 | 102.6 |
