Ozone is a colorless gas found in the air we breathe. Ozone occurs naturally in the earth’s upper atmosphere where it shields the earth from the sun’s ultraviolet rays; however, ground level ozone is considered an air pollutant. It can negatively impact health, making it difficult to breathe, causing coughing, sore or scratchy throat, and aggravating lung diseases such as asthma, emphysema, and chronic bronchitis.
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