Los Angeles braces for a hot day with an Air Quality Alert due to high ozone levels, affecting sensitive groups and advising precautions like staying indoors and limiting outdoor activities.

An air quality advisory is in effect for the Bay Area on Friday, as smoke from wildfires burning in far Northern California ...

With a mini heat wave forecast to peak Thursday, the Los Angeles County Health Department warned the public to avoid ocean waters at several beaches due to high bacteria levels. The affected beaches ...