Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American Lung Association’s annual State of the Air report, released Wednesday.

A form of harmful air pollution that often can't be plainly observed is now being tracked with a groundbreaking new tool developed by scientists that allows residents to see where it's coming from.

Fine particle air pollution killed nearly 240,000 people in the European Union in 2022, a five percent fall on the previous year, the European Environment Agency said in a report published Tuesday.

Even before an Elon Musk-owned artificial intelligence company opened a data center in southwest Memphis, Tennessee, air pollution was so bad that residents of a nearby neighborhood were far more ...

Residential wood burning is a major but underrecognized source of wintertime PM2.5 air pollution, disproportionately harming urban communities and people of color despite relatively low wood use.

When the U.S. government shut down in late 2018, it furloughed nearly 600 Environmental Protection Agency pollution inspectors for more than a month. Those workers had to stop their work of monitoring ...