The American Lung Association has released its annual “State of the Air” report and several major cities are among the worst ...

Cities in California make up a significant proportion of the country's most polluted metropolitan areas when it comes to air ...

The American Lung Association report finds that climate events are causing more people in the U.S. to breathe toxic air even ...

A new report from the American Lung Association shows that Phoenix's ozone problem is worsening, while its particulate ...

According to the Lung Association, ozone and particle pollution are the most widespread pollutants and among the ‘most dangerous.’ The recent report found that nearly half of the U.S. population (46%) ...

The metro area ranked 15th overall for levels of smog, according to a new analysis from the American Lung Association.

Easton, PA-NJ metropolitan area was named the 50th most polluted in the nation for daily particle pollution, receiving an ‘F’ ...

The report then ranks the most polluted and cleanest U.S. cities based ... and found Bakersfield-Delano in California to be the worst in the country for year-round particle pollution with 16.2 ...