TOMS

Arctic Ozone Hits Record High

An active atmosphere at northern latitudes contributed to the highest monthly Arctic ozone concentrations measured in the satellite era.

Substantial Antarctic Ozone Hole in 2021

A colder than usual winter atmosphere over the Southern Hemisphere led to a deep and larger-than-average ozone hole in 2021.

Unusual Weather Leads to Ozone Low Over the Arctic

While such low concentrations of ozone are unusual, they are not unprecedented.

2019 Ozone Hole is the Smallest on Record

Abnormal weather patterns in the upper atmosphere over Antarctica dramatically limited ozone depletion.

Ozone Hole is Big, But Tempered by CFC Reductions

The hole in the ozone layer over Antarctica was slightly above average size in 2018, but smaller than expected for…

Fires In Alaska and Northern Canada

The smoke from dozens of forest fires raging across eastern Alaska and western Canada continued to spread on June 30,…

Fires In Alaska and Northern Canada

Intense fires in eastern Alaska and Canada’s Yukon Territory are spreading smoke across much of northern Canada. These image, taken…

Bushfires Raging in Southeast Australia

Large fires burning out of control in the Great Dividing Range Mountains in southeast Australia are producing a thick cloud…

Dust Over East Africa and Israel

This scene shows a large cloud of dust blowing from northeastern Africa across Egypt, the Sinai Peninsula, over Israel and…