Several U.S. cities are experiencing heightened air pollution levels on Wednesday, including parts of Chicago.

Nearly half of Americans live in areas with dangerous levels of air pollution. This figure represents an increase of 25 ...

Air pollution levels keep getting worse for more people in the US, according to a new report, and experts say the Trump ...

Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the ...

The American Lung Association has released its annual “State of the Air” report and several major cities are among the worst ...

Long-term exposure to multiple air pollutants may silently wreak havoc on your gut, significantly increasing the risk of ...

human exposure to air contaminants is dominated by indoor air pollutants -- including pollutants brought in from outside. Yet, research into indoor air quality has historically taken a back seat ...