Chicago's skyline has been shrouded in mystery as conflicting reports of toxic air chemicals swirl, leaving residents ...

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

Not everyone was reporting the dangerous air quality levels, though. The Environmental Protection Agency’s AirNow is a go-to ...

A recent report from the American Lung Association ranked the Helena area 20th in the nation for short-term air particle ...

Despite modern cars generally being cleaner and more fuel efficient, a University of California, Riverside study shows that ...

During the early 1970s, the air in many American cities was … brown. Pollution muddied clear skies and sickened people across ...

The report measures data for six outdoor air pollutants considered dangerous: particulate matter, ozone, nitrogen dioxide, ...

A new study finds poor air quality is linked to a heightened risk for depression. Depression is a classified as a mood ...