Good ozone is found in the

The stratosphere is the second major layer of earth's atmosphere, just above the troposhere, and below the mesosphere. It is the layer of ozone $\left(\mathrm{O}_3\right)$. The ozone absorbs high energy UV-B and UV-C energy waves and breaksdown into atomic oxygen ( $\mathrm{O}) and diatomic oxygen \left(\mathrm{O}_2\right)$.