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An active atmosphere at northern latitudes contributed to the highest monthly Arctic ozone concentrations measured in the satellite era.
The depleted area of the ozone layer over the South Pole was slightly smaller than last year and generally continued…
A colder than usual winter atmosphere over the Southern Hemisphere led to a deep and larger-than-average ozone hole in 2021.
Ozone depletion was significantly worse than in 2019, but better than in the early 2000s.
Satellite data is helping scientists size up one of the most intense outbreaks of fire and smoke that Oregon and…
While such low concentrations of ozone are unusual, they are not unprecedented.
In January 2020, the volcano in the Philippines spewed lava and emitted hazardous amounts of volcanic ash fall and gases.
Kilauea dominated the headlines of western media, but remote Ambae in Vanuatu blew away other volcanic events.
Unusually intense fires in Russia sent smoke half-way around the world.
