An international study found that air pollution leads to more cancer-related genetic changes than secondhand smoke.

Canadian researchers find that fine particle pollution (PM2.5) can cause hidden heart damage, challenging current air quality ...

Breathing polluted air—even at levels considered “safe”—may quietly damage your heart. A new study using advanced MRI scans found that people exposed to more air pollution showed early signs of ...

Air pollution used to be much worse. In October of 1948, a thick, choking smog settled over the small Pennsylvania town of Donora. The town was home to two steel plants.

The American Lung Association report finds that climate events are causing more people in the U.S. to breathe toxic air even as other pollution falls.

If you're seeing a thick haze outside your window, it's likely air pollution. Here's how to find out what the air quality is near you. If you're seeing a thick haze outside your window, it's ...

Man-made air pollution has decreased in recent years — but overall air pollution is worsening due in part to wildfires sweeping smog across the country, according to a new analysis.