Total Ozone Mapping Spectrometer (TOMS) ozone images
1-15 October 2004
The data are the October 1-15 averages of the total column ozone amount, given in Dobson Units. The area extent of the ozone hole for each year is indicated by the red 220 DU line.
- For more information on the ozone hole go to NASAs Ozone Hole Watch website