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 ...

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

South Florida air quality was graded by American Lung Association, which analyzed 2022-2024 data to grade counties on ...

The report found the Nashville metro area, which includes surrounding counties, ranked 66th worst in the nation for ozone ...

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

Eight Oklahoma counties, including the most populated, received an 'F' for smog pollution on the American Lung Association's ...

Add Yahoo as a preferred source to see more of our stories on Google. Wearing gas masks and carrying protest signs, Pasadena housewives calling themselves the Smog-A-Tears parade through downtown ...