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

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 ...

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 ...

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-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.

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 ...

Los Angeles remains the city with the worst ozone pollution in the nation, the American Lung Association says in its State of the Air 2020 report, ...

The highest ozone pollution level recorded in downtown Los Angeles in 26 years — a reading of 185 parts per billion — occurred during a blistering heat wave on Sept. 6, the same day L.A ...

LOS ANGELES (CBSLA.com) — Findings of a study released Wednesday showed the Los Angeles-Long Beach metropolitan area continues to have the worst ozone pollution in the nation. According to the ...

Los Angeles ranked the highest for levels of deaths estimated to be caused by PM2.5 and ozone in 2017, followed by Riverside-San Bernardino-Ontario, CA; Bakersfield, CA; Pittsburgh, PA; and Fresno ...

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

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 p.m. The alert is for Calabasas and Agoura Hills, Eastern San Fernando Valley ...