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

Millions of Texans were urged to take measures to reduce pollution on Tuesday, after the National Weather Service (NWS) published air quality alerts for two major cities in the Lone Star State. The ...

In this NASA false-color image, the blue and purple shows the hole in Earth's protective ozone layer over Antarctica on Oct. 30, 2023. This year’s ozone hole was about average size for the last 20 ...

Getting your Trinity Audio player ready... The Front Range recorded its lowest ozone levels in 16 years this summer, but the region still needs to reduce air pollution to escape federal oversight that ...

A Global Recovery Snapshot. It’s pretty good news on the ozone layer front these days. We’re seeing solid signs of recovery, which is a huge win for the plan ...