To investigate the link between thunderstorms and ER visits, researchers analyzed lots of data from the National Weather Service and Medicare.

Asphalt is a significant source of air pollutants in urban areas, especially on hot and sunny days, researchers report.

A new global map shows trouble spots for air pollution containing tiny particles called at PM2.5 that can make their way deep into your respiratory system.

Simultaneous air pollution and extreme heat events will "increase in frequency by 175% by 2050" in Southeast Asia, a report finds.

"It's as if I magically implemented our most ambitious emissions reduction policies," says Lucy Hutyra, on cleaner air following COVID-19 directives.

Brief exposure to ambient ultrafine particles, a form of air pollution, may potentially trigger nonfatal heart attacks.

Wildfires can send hazardous particles way beyond the flames, potentially upping health risks as far as 600 miles away.

Air pollution's effect on the progress of emphysema in the lungs is "in the same league as the effects of cigarette smoking."

"This new analysis is a call for urgent action. These impacts are preventable. We can and should do something about it."

Residents living around coal power plants could breathe cleaner, healthier air if regulations did more to address the pollutant.