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Images, data, and information for the Southern Hemisphere

Annual Records

The maximum of the daily ozone hole size and the minimum of the daily ozone minimums for each year and the date of occurrence. Date links are to the image for the particular day.

Ozone Hole Area

Minimum Ozone

(million km2) (DU)
Maximum Daily Minimum Daily
Year Date Value Date Value
1979 17 September 1.1 17 September 194
1980 21 September 3.3 16 October 192
1981 10 October 3.1 17 March 176
1982 02 October 10.8 02 November 170
1983 17 October 12.2 06 October 154
1984 24 September 14.7 03 October 144
1985 03 October 18.8 24 October 124
1986 06 October 14.4 06 October 140
1987 29 September 22.4 05 October 109
1988 20 September 13.8 30 September 162
1989 03 October 21.7 07 October 108
1990 19 September 21.1 05 October 111
1991 04 October 22.6 06 October 94
1992 27 September 24.9 11 October 105
1993 19 September 25.8 25 September 104
1994 30 September 25.2 30 September 73
1996 07 September 26.9 05 October 103
1997 27 September 25.1 24 September 99
1998 19 September 27.9 06 October 86
1999 15 September 25.8 29 September 97
2000 09 September 29.9 29 September 89
2001 17 September 26.5 22 September 91
2002 19 September 21.9 20 September 131
2003 24 September 28.4 26 September 91
2004 22 September 22.8 04 October 102
2005 11 September 27.3 30 September 103
2006 24 September 29.6 08 October 84
2007 13 September 25.2 24 September 108
2008 12 September 27.0 04 October 101
2009 17 September 24.4 25 September 96
2010 25 September 22.6 01 October 118
2011 12 September 26.1 08 October 95
2012 22 September 21.1 01 October 124
2013 16 September 24.0 29 September 116
The mean ozone hole size for 07 September–13 October and the minimum of mean ozone for 21 September–16 October for each year.

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 22.7 108.8
1997 22.1 108.8
1998 25.9 98.8
1999 23.2 102.9
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 98.2
2007 22.0 116.2
2008 25.2 114.1
2009 22.0 107.5
2010 19.4 128.0
2011 24.7 106.2
2012 17.8 139.1
2013 21.0 132.5