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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 Southern Hemisphere 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 194.0
1980 21 September 3.3 16 October 192.0
1981 10 October 3.1 10 October 195.0
1982 02 October 10.8 02 November 170.0
1983 17 October 12.2 06 October 154.0
1984 24 September 14.7 03 October 144.0
1985 03 October 18.8 24 October 124.0
1986 06 October 14.4 06 October 140.0
1987 29 September 22.4 05 October 109.0
1988 20 September 13.8 30 September 162.0
1989 03 October 21.7 07 October 108.0
1990 19 September 21.1 05 October 111.0
1991 04 October 22.6 06 October 94.0
1992 27 September 24.9 11 October 105.0
1993 19 September 25.8 25 September 104.0
1994 30 September 25.2 30 September 73.0
1996 07 September 26.9 05 October 103.0
1997 27 September 25.1 24 September 99.0
1998 19 September 27.9 06 October 86.0
1999 15 September 25.8 29 September 97.0
2000 09 September 29.9 29 September 89.0
2001 17 September 26.5 22 September 91.0
2002 19 September 21.9 20 September 131.0
2003 24 September 28.4 26 September 91.0
2004 22 September 22.8 04 October 102.0
2005 11 September 27.3 30 September 103.0
2006 24 September 29.6 08 October 84.0
2007 13 September 25.2 24 September 108.0
2008 12 September 27.0 04 October 101.0
2009 17 September 24.4 25 September 96.0
2010 25 September 22.6 01 October 118.0
2011 12 September 26.1 08 October 95.0
2012 22 September 21.1 01 October 124.0
2013 16 September 24.0 29 September 116.0
2014 11 September 24.1 30 September 114.0
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.

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
2014 20.9 128.6