A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents ...

The American Lung Association has revealed that nearly half the U.S. population resided in areas with dangerous levels of air ...

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 air pollutants covered in this report are widespread and can impact anyone's health. Both ozone and particle pollution ...

The American Lung Association said they hope the report helps convince Illinois lawmakers to take action to improve air ...

Maryland pollution continues to worsen, especially in Baltimore County, according to a newly published report.

The lawsuit is the second in two days to charge the Trump administration with failing to adequately inform the public.

The U.S. is backsliding on air quality measures, according to an annual American Lung Association study that says 156 million ...

A new report from the American Lung Association notes a drastic decline in air quality and raises health alarms. Climate ...

PHILADELPHIA (WPVI) -- New data shows nearly half of Americans live in an area with a "failing grade" for air pollution, ...

The San Joaquin Valley has finally achieved a 1997 federal standard for removing fine particulates from local air, according ...