Q:

What atmospheric layer contains the most ozone?

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Quick Answer

The ozone layer contains about 90 percent of Earth's ozone. It is part of Earth's stratosphere and lies between 6 and 30 miles above the planet's surface, according to the Environmental Protection Agency. The highest concentration of ozone is found between 12 and 19 miles above the surface, notes Wikipedia.

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What atmospheric layer contains the most ozone?
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Full Answer

The ozone layer absorbs from 97 to 99 percent of medium-length ultraviolet radiation from the sun, protecting life on Earth from UV radiation's harmful effects, according to Wikipedia. It is normally thinnest at the equator and thickest at the poles. It also varies with the seasons, and it is thicker in the spring than in the autumn. Ozone is depleted by free-radical catalysts from natural sources and man-made chemicals, such as chlorofluorocarbons and bromofluorocarbons.

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Related Questions

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    What is the ozone layer made of?

    A:

    The ozone layer, which is part of the stratosphere, is comprised of the major atmospheric gases nitrogen, oxygen and argon, but also contains a significantly higher concentration of the trace gas ozone than the other layers of the atmosphere. The other trace gases include carbon dioxide, neon, helium, methane and the manmade chlorofluorocarbons, or CFCs. The CFCs reaching the stratosphere from the Earth's surface have become a cause for global concern because of the role they play in the chemical reaction that removes ozone from the atmosphere.

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    How is ozone formed?

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    How does the ozone layer protect life on earth?

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    The ozone layer protects life on earth by acting as a shield against ultraviolet rays, which are destructive to any living organism. Ultraviolet rays are emitted by the sun, but before they reach the surface of the earth they are intercepted by the ozone layer of the atmosphere.

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    How does the ozone layer work?

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    According to How Stuff Works, the ozone layer works by ultraviolet light breaking apart oxygen molecules and then reforming them as ozone. Ozone converts the dangerous ultraviolet rays into harmless heat. With an adequate supply of ozone and oxygen, the ozone layer will absorb approximately 98 percent of incoming ultraviolet rays.

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