Los Angeles County is the focus of an updated air quality alert reported at 5:03 p.m. on Wednesday by the National Weather ...

Freeway north of LA is the focus of an updated air quality alert reported at 5:03 p.m. on Wednesday by the National Weather ...

Nevertheless, it still received “F” grades for ozone and two types of particle pollution. Los Angeles County registered 109 unhealthy ozone days, down from 159 in 2005; while Riverside County ...

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.

The Los Angeles-Long Beach metropolitan area had the worst ozone pollution in the nation between 2015 and 2017, and also ranked among the worst in terms of particle pollution, or soot, according ...

Los Angeles, Orange, San Bernardino, Riverside and Ventura counties all received F grades for particle and ozone pollution, which can lead to serious health problems for the people who live in ...

Los Angeles-Long Beach area topped list in 23 of 24 years that Lung Association has ranked cities. But it improved slightly in unhealthy ozone days, particle pollution days.

The South Coast Air Quality Management District, the agency that tracks air quality for Southern California, recorded the highest ozone or smog pollution reading since 1994 for Los Angeles over the ...

LOS ANGELES (CBSLA) – It's not a distinction to take pride in: Los Angeles continues to have the worst ozone pollution of any metropolitan area in the United States. A new annual report released ...

With respect to ozone pollution, "Los Angeles remains at the top of this list, as it has for all but one of the 19 reports. Los Angeles also recorded more unhealthy air days in this report, ...

An air quality alert was reported by the NWS Los Angeles/Oxnard CA on Monday at 2:31 p.m. in effect until Thursday at 8:15 ...

On Wednesday at 5:03 p.m. the NWS Los Angeles/Oxnard CA reported an updated air quality alert in effect until Thursday at ...