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TELLTALE SIGNS: The discoloration on this cutleaf coneflower leaf indicates high levels of ozone. Many area schools now maintain ozone gardens to allow students to track air pollution levels. Photo courtesy of Susan Sachs

Ozone gardens help monitor WNC air quality

Posted on July 5, 2018July 9, 2018 by Jennifer Jenkins

Specific plant species can turn a garden into a living indicator of pollution levels.