Almost half of everyone who lives in the United States breathes unhealthy levels of air pollution, according to the American Lung Association’s annual State of the Air report, released Wednesday.

Air pollution levels keep getting worse for more people in the U.S., according to a new report, and experts say the Trump administration’s proposed deregulation plans will make it even harder for ...

A new report on air quality across the United States offered 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 ...

As pollution levels continue to rise across Delhi and other major Indian cities, staying informed about air quality has become essential. To help users make safer outdoor choices, Google Maps now ...