Bay Area Air District officials announced a "Spare the Air Alert" for Tuesday because of anticipated pollution levels.

LOS ANGELES (KABC) -- The Los Angeles metropolitan area has more seasons than winter, spring, summer and fall -- we have a fifth season of sorts that traditionally begins around this time of year: ...

Baltimore County received an "F" for ozone smog, according to a 2025 report on air quality from the American Lung Association. The annual State of the Air report monitors smog levels and short-term ...