Ahead of the International Day of Clean Air, here’s a look at what causes air pollution, what it does to people and how the ...

New data on pollution trends from 13,000 cities shows that slashing fossil fuels helps both our health and climate.

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot pollution.

Millions of Americans have been urged to watch out for unusual fatigue and palpitations amid concerns over high air pollution levels.

CINCINNATI (WXIX) - Over three dozen monitors have been installed across Cincinnati’s neighborhoods to monitor the city’s air ...

Air pollution from oil and gas production and use in the U.S. has an enormous health toll. A new study tallies the cost.