Smog

The annual “State of the Air” report from the American Lung Association shows some progress for the region and the nation in smog reduction but reports that particulate pollution levels are deadly.

Ground-level ozone arises when emissions from vehicles, power plants and other sources react to sunlight.

A report released Monday finds that two power plants in Arkansas are partly responsible for poor air quality in St. Louis. Scientists from…

It's rare for utility companies and environmental groups to agree. But both want the state of Missouri to spend its share of last year's national…

Cutting carbon dioxide emissions from power plants would also reduce other types of air pollution, both here in Missouri and nationally.That's according…

A report released today by the American Lung Association shows that air pollution in the St. Louis region has recently increased.The annual report ranks…

Starting tomorrow, gas stations in the St. Louis area can start getting rid of those familiar black boots on pump nozzles.The boots are part of a vapor…

Warming temperatures may have you wanting to spend more time outdoors. But warm weather can mean more unhealthy air.Susannah Fuchs of the American Lung…

A new report released today by the advocacy group Environment Missouri ranks St. Louis as the 10th smoggiest metropolitan area in the country.State…

The Saint Louis University School of Public Health is launching a study to look at the effects of urban air pollution on pregnant women in China.SLU…