Metro Denver Air High quality Forecast: September sixth

DENVER, CO – Pollution levels in the Front Range and Eastern Plains remain elevated for people with sensitive lungs, Colorado public health officials said.

The Colorado Department of Public Health and Environment said ozone concentrations in the Denver area are expected to be in the range of “moderate” to “unhealthy for sensitive groups” on Monday.

“Active children and adults as well as people with lung diseases such as asthma should reduce prolonged or heavy outdoor exertion from noon to 8 pm,” the agency said.

The particulate matter concentrations will be in the “moderate” category and the visibility in the “moderate” to “poor” categories in Denver. Carbon monoxide and nitrogen dioxide levels are expected to be in the “good” category, health officials said.

Metro Denver is the eighth worst metropolitan area in the nation for days with high ozone levels, according to the American Lung Association’s State of the Air 2021 report released in April.

Ozone pollution, often referred to as smog, occurs when gases that escape from exhaust pipes and chimneys, among other things, come into contact with sunlight. Ozone is “one of the most dangerous and most widespread pollutants in the US,” said the lung association.

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Ozone can damage people’s airways, make their lungs more susceptible to infection, and worsen lung diseases, according to the U.S. Environmental Protection Agency.

>> Read the full air quality recommendation here.

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