NOAA researcher prepares to release an ozone sonde

Do We Still Need to Worry About the Hole in the Ozone Layer?

The world tends to forget about the annual ozone hole that appears over Antarctica, though we're facing huge and complex environmental concerns.
Color coded map expressing ozone concentration over different parts of the globe. Ozone concentration trends upwards from lower hemisphere to upper.

Signs of Recovery in Earth’s Ozone Layer, but Danger Remains

For the first time in 35 years, atmospheric ozone actually increased, according to NASA measurements.