Los Angeles County is the focus of an air quality alert reported at 1 p.m. on Monday by the National Weather Service. The alert is in effect until Wednesday Nov. 5, at midnight.

The agreement comes after nearly a decade of negotiations between air quality officials and the nation’s largest ports.

The quality of air you breathe has a direct impact on your overall quality of life. Unfortunately, these cities have the worst air quality in the United States.

LOS ANGELES (KABC) -- The Los Angeles Unified School District on Friday is expected to unveil a school-based air quality monitoring network. The "Know Your Air ...

What are debris flows?: These fast-moving slurries of floodwater and sediment can hurtle down slopes, carrying cars, trees ...

Los Angeles County is the focus of an air quality alert reported at 2:17 p.m. on Sunday by the National Weather Service. The alert is in effect until Tuesday Nov. 4, at midnight.

At 1 p.m. on Monday, the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Wednesday at midnight. The alert is for Catalina and Santa Barbara Islands, Santa Clarita Valley, ...

At 2:17 p.m. on Sunday, the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Tuesday at midnight. The alert is for Catalina and Santa Barbara Islands, Santa Clarita Valley, ...