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

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 (Reuters) -California Governor Gavin Newsom this week vetoed a law ​that would have limited the regulatory powers of air quality agencies at the ports of the nation'‌s busiest port complex ...

Southern California air officials voted overwhelmingly Friday to give themselves the power to levy fines on the ports of Los ...

California’s two busiest ports have signed a cooperative agreement to adopt zero-emissions infrastructure at their facilities ...

PM2.5 refers to tiny pollutants smaller than 2.5 micrometers in diameter. These particles are often the focus of air-quality ...

California air regulators have opened a public comment period on a plan by Marathon Petroleum to modernize parts of its 384,500 b/d Los Angeles refinery complex, the largest refinery on the West Coast ...

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 ...

At 1 p.m. on Monday, the NWS Los Angeles/Oxnard CA reported an air quality alert in effect until Wednesday at midnight. The ...

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, ...