A new report shows that some of the nation's most polluted cities are in Southern California, four of which call the Inland ...

President Donald Trump’s administration is trying to keep California from having stricter-than-average vehicle emission ...

The San Joaquin Valley Air Pollution Control District, California Air Resources Board and U.S. Environmental Protection Agency are the primary regulatory agencies with a legal duty to ensure sources ...

A California lawmaker introduced a bill Tuesday to expand the state’s power to reduce pollution amid concerns that the Trump ...

BAY AREA, CA — The Bay Area Air District announced its new name and logo this week that symbolize a new direction through ...

As fires rage across the West Coast, destroying homes and forcing evacuations, the air we breathe has been severely impacted. In the following California air quality map, you can see how the air ...

A Democratic state lawmaker introduced a bill late Friday that would delay California’s zero-emission school bus purchasing ...