If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

One possible reason for bad air quality in the city is a fire that broke out yesterday afternoon in Lancaster, Pennsylvania, where air quality is notably unhealthy. Why would a fire more than 150 ...

Tech billionaire Bryan Johnson warns of India's air pollution crisis, citing health risks and a study linking PM2.5 to liver ...

Major air pollutants have declined in recent decades, but USA TODAY’s analysis shows wildfire smoke is taking their place.

If the air quality in your area is compromised, there are several things you can do to protect yourself. Special attention should be paid to those who have compromised respiratory, lung or heart ...

The air quality index soared to 155, a level that Dr. Kari Nadeau, chair of the Department of Environmental Health at the Harvard T.H. Chan School of Public Health, likened to smoking up to about ...

Air pollution levels remained high in many parts of the city, including in northwest coastal Los Angeles, where the air quality index climbed ... Loren Elliott for The New York Times In California ...

Overall, more than half of all vehicles entering the congestion zone are passenger cars (57%), with an additional third being ...