All our related research and data

• Ozone Layer

Charts

• Annual change in atmospheric CFC-11 concentrations
• Antarctic ozone hole area
• Consumption of Ozone-Depleting Substances
• Countries subscribed to the Montreal Protocol
• Equivalent stratospheric chorine (ESC) concentrations
• Excess skin cancer cases due to ozone depletion
• Measured and expected atmospheric concentrations of CFC-11
• Number of parties in multilateral environmental agreements
• Ozone-depleting substance consumption
• Ozone-depleting substance emissions
• Stratospheric ozone concentration
• Stratospheric ozone concentration projections
• Subscriptions to the Montreal Protocol by region