
Image caption
The ozone hole—defined as the area in which ozone concentrations are below 220 Dobson units—over Antarctica on October 5, 2022. NOAA Climate.gov image, based on TOAST data.
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The ozone hole—defined as the area in which ozone concentrations are below 220 Dobson units—over Antarctica on October 5, 2022. NOAA Climate.gov image, based on TOAST data.