The American Lung Association’s California chapter Wednesday released a report card showing the worst places in the state for air pollution, and San Joaquin County was rated among the most impacted in the nation in terms of smog ...

Bakersfield has ranked worst, second worst and third worst in the nation for three categories of air quality, shining a light on the community's ongoing potential for health risks associated with breathing poor air, according to a ...

California has the most polluted cities in the United States, a report issued on Wednesday said, as President Donald Trump's administration seeks to force the state to weaken its vehicle emissions standards. The study published by ...