Nashville's ozone smog got a failing grade in a new study by the American Lung Association.

Data: American Lung Association; Note: Days where air pollution was worse received a greater weighting in the calculation; Chart: Alex Fitzpatrick/Axios The Valley is again among the worst metros in ...

The American Lung Association's annual State of the Air report gives the Indianapolis metro area failing grades for pollution ...

Each decade seems to have its signature environmental crisis that dominates headlines. Over time those issues seemingly ...

Ann Carlson’s Smog and Sunshine traces how Los Angeles tackled pollution and transformed its air quality over decades ...

I remember my eyes stinging and my lungs burning [from smog]," UCLA environmental law professor Ann Carlson writes in ‘Smog ...

The Los Angeles-Long Beach retained its dubious distinction as the nation’s smoggiest region, with ozone pollution getting worse over the past year, according to an annual report by the American Lung ...

NASHVILLE, Tenn. (WKRN) — The American Lung Association released its annual air quality report on Earth Day, revealing that ...

A confluence of geography, weather, and industrial pollution devastated Donora, Pennsylvania, and forced the government to ...

State health officials on Monday warned that ground-level ozone is expected to be elevated from Denver southward to Colorado ...