A new report shows that some of the nation's most polluted cities are in Southern California, four of which call the Inland Empire home. Want to get caught up on what's happening in SoCal every ...

New report ranks six of nation's ten cities with worst air pollution in Southern California A new report shows that some of the nation's most polluted cities are in Southern California, four of ...

Santa Barbara County Air Pollution Control District Screenshot from updated Permitted Facilities Map By Andrew Gillies June 25, 2025 2:30 pm Published June 25, 2025 5:27 pm ...

Hazardous air quality is shown in a June 11, 2025, map from the South Coast AQMD. The AQMD hasn’t pointed to a specific cause, though a few wildfires in Southern California have likely had an ...

The district regulates air quality for 16.8 million people in Southern California, including all of Orange County and large areas of Los Angeles, Riverside and San Bernardino counties — one of ...

Air quality regulators in Southern California voted 7 to 5 to reject rules that would have curbed harmful emissions from gas-powered furnaces and water heaters.

Residents in Southern California may notice low-flying NASA aircraft later this month as part of a mission to study air pollution and greenhouse gas emissions, the agency announced Friday. From ...

UC Riverside researchers have begun a $3.5 million study to track air pollution from cargo ships off the Southern California coast, aiming to better understand the effects of oceangoing vessels on ...