Stratospheric ozone monitoring | 2019-2020

Ozone concentration Antarctica 2020
Copernicus monitors exceptional ozone holes in 2019 and 2020
In 2019 the Antarctic ozone hole was exceptionally weak; in 2020 it was exceptionally strong; and an ozone hole appeared above the Arctic.
Altius ozone MLS ozone
Evaluation of future ALTIUS stratospheric ozone observations
In order to prove the scientific potential of the ALTIUS measurements, we simulated ALTIUS data and measured how they could constraint a model of the ozone layer.
World map long-term changes stratospheric ozone
LOTUS refines assessments of long-term changes in stratospheric ozone
Community-wide assessment confirms the long-awaited slow rise of ozone in the upper stratosphere. In the lower stratosphere declining ozone levels are still the subject of heated debates.