Montreal Protocol on Substances that Deplete the Ozone Layer - Graphs

The graphs below, provided by the CSIRO Marine and Atmospheric Research, illustrate the global observations of the impact the Montreal Protocol on the levels of ozone depleting substances in the atmosphere, and suggest the impact into the future to 2050:

Effective Chlorine (all substances) in the atmosphere and the scenario with and without the Montreal Protocol

Effective Chlorine in the atmosphere and the scenario with and without the Montreal Protocol

Source: CSIRO Marine and Atmosphere Research

Effective Chlorine (all substances) in the atmosphere

Effective Chlorine (all substances) in the atmosphere

Source: CSIRO Marine and Atmosphere Research

Chlorofluorocarbons

Chlorofluorocarbons

Source: CSIRO Marine and Atmosphere Research

Methyl bromide and Halons

Methyl bromide and Halons

Source: CSIRO Marine and Atmosphere Research

Total Ozone and its relationship with Effective Stratospheric Chlorine

Total Ozone and its relationship with Effective Stratospheric Chlorine

Source: CSIRO Marine and Atmosphere Research