Pollution is a problem in many cities, and the U.S. has several that are plagued by smog and other pollutants. These are considered to be among the worst.

The Haryana State Pollution Control Board is set to launch World Bank-funded air quality studies in Rohtak, Rewari, and ...

Heat and air pollution affect millions in cities. Manchester researchers use AI and open data to build tools helping cities track risks and respond more effectively to climate and environmental ...

One year after New York City launched its congestion pricing policy, fine particulate pollution inside Manhattan's congestion ...

As California marks Clean Air Day, an annual event that promotes efforts to reduce pollution, a new study is putting Sacramento's air quality back in the spotlight.

Products like hairspray, paint, and cleaners are becoming major sources of summer air pollution as heat increases chemical ...

First, the bad news. The world is in the grip of an air pollution crisis. An estimated nine out of 10 people globally breathe polluted air, according to the World Health Organization (WHO). Air ...