On September 19, 2023, scientists reported that the ozone hole reached its maximum extent during this season, measuring approximately 57 million square kilometers. This size represents the seventh largest recorded since comprehensive monitoring began in 1970. While significant, the ozone hole’s dimensions were smaller than those observed during some previous major events. The current measurement indicates a notable decrease compared to recent years, though still below levels seen in the early phases of the monitoring program. Experts attribute these fluctuations primarily to natural variations within the atmospheric polar vortex and seasonal changes impacting ozone depletion rates.
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This PlaneNews briefing summarizes reporting originally published by www.nasa.gov.
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