What the difference between natural and manmade ozone?
Answered by Discovery Channel
  • Discovery Channel

    Discovery Channel

  1. Ozone is an oxygen molecule, only it has an extra oxygen atom. Natural ozone can be used for many purposes, such as a deodorizing agent, and for sterilizing air and drinking water. It is toxic in low concentrations. Small amounts of ozone are found naturally in the upper atmosphere (the stratosphere), and it's found as a result of air pollution in our lower atmosphere (the troposphere). Man-made ozone is typically found in urbanized environments, because of emissions from cars and power plants, but can also be carried to rural areas by prevailing winds. High concentrations of ozone have been found downwind from urban industrial zones as far away as 250 miles (402 kilometers) away.

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