Los Angeles and much of Southern California were met with a regional air quality alert on Saturday, following July 4th festivities and the state’s largest wildfire of the year. With the Madre Fire ...

Boyan Slat has a plan to rid the ocean of plastic pollution, this coming El Niño could be a monster and more big stories ...

LOS ANGELES - Smoke from the raging Southern California wildfires is filling city skylines, causing officials to warn residents of hazardous air quality. AirNow.gov has marked air quality all around ...

Los Angeles County is included in an air quality alert reported by the National Weather Service on Monday at 2:31 p.m. The alert is in effect until Thursday July 10, at 8:15 p.m. The NWS Los ...

Los Angeles County is the focus of an air quality alert reported at 1:58 p.m. on Wednesday by the National Weather Service. The alert is in effect until Saturday July 5, at 11 p.m. The NWS Los Angeles ...

Add Yahoo as a preferred source to see more of our stories on Google. Los Angeles has struggled with air pollution problems since before smog became a term. In 1943, smog covered the city so thickly ...