Atmosphere Interview Question:

How is ozone formed in the atmosphere?

Submitted by: Ali Hassan Siddiqui

Ozone is formed throughout the atmosphere in multistep chemical processes that require sunlight. In the stratosphere, the process begins with an oxygen molecule being broken apart by ultraviolet radiation from the Sun. In the lower atmosphere (troposphere), ozone is formed in a different set of chemical reactions involving hydrocarbons and nitrogen-containing gases.
Submitted by: Ali Hassan Siddiqui