From the smog–choked streets of Delhi to the suffocating skies over Eastern Europe, air pollution is a deadly threat to city dwellers all around the world. Now, terrifying charts have revealed the ...

A new report on air quality across the United States offered a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot pollution ...

ROANOKE, Va. – Nearly half of the U.S. population is now living with unhealthy levels of air pollution. The primary culprits are extreme heat, persistent droughts, and increasingly frequent wildfires.

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.

HANOI, Vietnam — Hanoi has no horizon. Blocky apartment towers dissolve into gray fog in the Vietnamese capital, as barges carrying sand inch down the Red River toward makeshift jetties. At street ...

NEW DELHI – After Diwali celebrations filled the skies with firecrackers and festive smoke, the Commission for Air Quality Management on October 21 reported an alarming deterioration in air quality ...