Overview

• Local and refinery fire crews contained flames to a section of the facility after a reported evening explosion.
• Manhattan Beach issued a limited shelter-in-place advisory due to smoke drifting from the site.
• Air monitors showed brief particulate spikes east of El Segundo while most readings stayed in the good range.
• Road closures and traffic diversions supported the response, and flights at LAX continued without disruption.
• The cause remains under investigation, and Chevron had not immediately responded to requests for comment.