The Portland metro area lands in the middle of the pack for ozone pollution, according to a new report from the American Lung ...

The Wheeling, WV-OH metro area has seen a decline in air quality, with the area now ranking 130th worst in the country for ozone pollution and 77th worst in the U.S. for year-round particle pollution.

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

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

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.

The air quality in Phoenix has gotten better, but there’s still room for improvement. That’s according to a new report from ...

Ozone air pollution, sometimes known as smog, is one of the most widespread pollutants in the United States. It is a powerful lung irritant. When inhaled into the lungs, it reacts with the delicate ...