The 2026 ozone hole
Our team models mid-range and short-range ozone hole predictions. Check this page for the latest predictions leading up to the 2026 ozone hole season!
[Coming 14 June: Mid-range October TCO and Mesospheric Parcel Altitude (MPA) predictions]
The 2025 ozone hole
The annual classification for the 2025 ozone hole was MODERATE.
The hole was MODERATE during September, MODERATE during October, and MINOR in November. It was one of the mildest ozone hole seasons within the last decade.
Summary metrics
The images below provide details for the 2025 ozone hole summary metric rankings:
For more details on the MPA and its links to ozone hole dynamics, see our 2025 ACP publication for more details.
Want to find out more? See the links below for external pages we recommend:
Area of the Antarctic ozone hole. Source: Copernicus, the European Union’s Earth Observation Programme. Check out the Copernicus page below for further information
Observed Ozone Hole Area and Polar Cap Ozone. Source: NASA.