Discover the lesser-known details about the chemical compounds responsible for the depletion of the ozone layer.

A new report from the American Lung Association notes a drastic decline in air quality and raises health alarms. Climate ...

There, sulfate aerosols (from industrial pollutants as well as volcanoes) attract the water molecules like a sponge and, plumped up, provide a bed for chemical reactions that destroy ozone.

Several U.S. cities are experiencing heightened air pollution levels on Wednesday, including parts of Chicago.

The LA area is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the ...

But when Haagy created synthetic smog in the lab, he unknowingly introduced another piece to the puzzle when oxidizing the VOCs: ozone. Oxidation is the process of combining a molecule with oxygen, ...

Officials are urging Texans to cut emissions as weather conditions are expected to enable a spike in ozone pollution.