Billowing smoke and particulate matter spreading south from the wildfires scorching Canada are creating dangerous air quality across the eastern United States. An estimated 98 million Americans from ...

Air pollution can be easy to ignore from day to day, but over the past decades, researchers have accumulated a compelling list of evidence that it can pose a major threat to human health—from mental ...

This story was originally published on June 7, 2023, and has been updated. As gusty winds fuel wildfires across Southern California, residents might be noticing an unpleasant by-product of those ...

A new tool allows people in the world’s largest metros to track their air pollution exposure and who’s doing the polluting.