Los Angeles County is the focus of an air quality alert reported at 1:58 p.m. on Wednesday by the National Weather Service.

On Wednesday morning, air quality all around Los Angeles reached "hazardous," the worst possible rating for air quality. It means just about everyone could experience problems from breathing the air.

But air quality can vary on a hyperlocal scale, meaning the network of official sites is "fairly sparse," says Michael Jerrett, an air pollution expert at the University of California, Los Angeles.

The hazardous air quality in Los Angeles is largely a result of smoke from the Pacific Palisades fire, intensified by strong Santa Ana winds. The winds, with gusts reaching up to 100 mph, ...

Los Angeles Air Quality Index map. Extreme fire behavior, including "short and long-range spotting," continues to challenge firefighting efforts, Cal Fire said in an incident update Wednesday.

Is air quality bad outside enough to wear a mask in Los Angeles? An expert explains 02:07. After several wildfires combined to torch tens of thousands of acres of vegetation in Los Angeles County ...

Sam Delgado was a Future Perfect fellow writing about labor and food systems, public health, and literacy. The Palisades and Eaton fires in Los Angeles have destroyed over 10,000 structures ...

LOS ANGELES (Reuters) - Business was brisk at Teddy's Cocina in Pasadena as wildfire evacuees ate lunch and passersby ducked indoors to escape from the brown, smoky air blanketing the city.

Wildfires in California aren’t all wild anymore. They often burn in urban areas, creating a toxic soup of smoke, ash and noxious substances that can be dangerous, even deadly. In Los Angeles ...

At 1:58 p.m. on Wednesday, the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Saturday at 11 p.m.