Air Quality Flag Program

Higher ozone levels tend to become an issue in most areas of the country from March through November. Ozone at ground level is a harmful air pollutant that forms when pollutants emitted by cars, power plants, industrial boilers, refineries, chemical plants, and other sources react chemically in the presence of heat and sunlight.

The Air Quality Flag Program looks to find ways to alert the public of unhealthy air quality conditions.

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