How does a fire burn in the presence of a high concentration of oxygen?

When a fire burns in the presence of a high concentration of oxygen, it does so at a faster rate. Oxygen is a critical component of the combustion process, which requires fuel, heat, and an oxidizing agent—in most cases, oxygen. The presence of a higher concentration of oxygen facilitates the chemical reactions necessary for combustion to occur more efficiently and rapidly.

Increased oxygen levels enhance the intensity of the fire by allowing it to achieve higher combustion temperatures and sustain a more intense flame. This can lead to quicker spreading of the fire since materials can ignite more readily and burn at a higher energy output. Essentially, the abundant oxygen accelerates the oxidation of the combustible material, leading to a fast-burning fire that can also reach higher temperatures than it would in an environment with lower oxygen availability.