Ozone Is a gas that is produced by the ultraviolet radiation in the air in the vicinity of welding operations.
Ozone is an inorganic molecule that is also known as trioxygen as its formula is O3.
It is formed from dioxygen by the action of both the electrical discharges in the atmosphere and the ultraviolet light. It makes up 0.6 ppm of the Earth's atmosphere and is found in the stratosphere.