Climate change is taking a visible and increasingly toxic toll on the air Americans breathe. According to a report ...

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

Visalia is once again the worst for ozone in the U.S., a pollutant impacting millions more people nationwide, the American Lung Association said.

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