In which layer of the atmosphere is the ozone layer? mesosphere stratosphere thermosphere troposphere

Ozone is mainly found in two regions of the Earth's atmosphere. Most ozone (about 90%) resides in a layer that begins between 6 and 10 miles (10 and 17 kilometers) above the Earth's surface and extends up to about 30 miles (50 kilometers). This region of the atmosphere is called thestratosphere.

Particle exchange energy though elastic collision , hope this .