The smaller particles could in fact be more harmful as they can get through the body's natural defenses and cause significant health problems.

Nearly the entire world is breathing dirty air, as a shocking map reveals that just 17 per cent of the world's cities meet air pollution guidelines.

Air pollution isn't always visible, but it's definitely real. To help us gain a better understanding of air quality around the world, BreezoMeter, an air quality analytics provider, is visually ...

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air ...

BENGALURU, India — Most of the world has dirty air, with just 17% of cities globally meeting air pollution guidelines, a report Tuesday found.

A recent report by Switzerland-based IQAir has shed light on a pressing issue: the vast majority of the world's population is breathing dirty air. According to their findings, only 17% of cities ...

California and Oregon are among the U.S. hotspots for dangerous submicron (PM1) air pollution—those with particles less than a micron, or a millionth of a meter wide—according to new research ...

BENGALURU, India (AP) — Most of the world has dirty air, with just 17% of cities globally meeting air pollution guidelines, a report Tuesday found.

BENGALURU, India (AP) — Most of the world has dirty air, with just 17% of cities globally meeting air pollution guidelines, a report Tuesday found. Switzerland-based air quality monitoring ...