Total Ozone Mapping Spectrometer

Ozone Hole Monitoring

How do the size and depth of this year's ozone hole (plus symbols) compare with last year's (solid line) and with the entire Nimbus 7 TOMS climatology (shaded) (10K/graph). The white curve shown on each of the plots is the climatological mean. Click on the figure below for the full size version. *

Daily Minima in Southern Hemisphere Daily Estimates of Ozone Hole Area

* (To make sure you get the most up to date plot, please refresh your browser window)

Also, check out these additional plots of the southern hemisphere daily ozone hole minima, daily ozone hole area, annual ozone hole minima, and annual ozone hole area compared to TOMS data from previous years.