As billions continue to breathe polluted air that causes more than 4.5 million premature deaths every year, UN climate ...

When Jailene Ochoa’s family moved in 2017 from suburban Cicero to Gage Park in Chicago’s Southwest side, she could feel a difference in the air. “You can smell the air, obviously, and it smells like ...

Once among world’s most-polluted cities, Mexico City has made major strides in air quality through policy, technology and ...

City officials are scrambling to install nearly 300 high-quality air pollution sensors across Chicago, a network that would be the largest in the U.S. and one of the biggest worldwide. The plan is to ...

Air pollution is a global health concern, with over 90% of the world's population breathing air that exceeds World Health Organization safety standards. Fine and coarse particulate matter are ...

We asked the experts how to decide. Credit...Photo Illustration by The New York Times; Shutterstock Supported by By Alexander Nazaryan The air we breathe isn’t always clean and refreshing. Nearly half ...

Scientists have discovered that even short-term exposure to polluted air can speed up Alzheimer’s, worsening toxic protein ...