Contra Costa County says a range of harmful chemicals were released, including some that pose risks for cancer and ...

An explosive fire that ignited at a Martinez oil refinery and triggered shelter-in-place warnings spewed cancer-causing ...

In a social media post, the refinery said flaring and a fire had occurred. The Bay Area Air District has issued an air ...

Another atmospheric river storm packing heavy rain and powerful winds is taking aim at the Bay Area. Here’s what to know.

The Bay Area Air District urges residents to avoid fireworks and wood-burning during Lunar New Year to protect air quality.

Refinery personnel managed to close valves and largely shut down the sources of the fire by 9:57 p.m., and firefighters ...

Contra Costa County officials have lifted a shelter-in-place order that was placed after a fire erupted Saturday at the ...

The Martinez Refining Company’s latest fire emitted chemicals and combustion byproducts that can cause cancer as well as heart and lung disease, according to Contra Consta Health ...

MARTINEZ — A leak led to an explosion and massive fire at a refinery with a history of issues Saturday, prompting a shelter-in-place for much of Saturday evening after black smoke spread across ...

TO THE BAY AREA NOW WHERE CREWS ARE BATTLING A FIRE AT ... Contra Costa Health issued a shelter-in-place due to impacts from the smoke, but it has since been lifted. As of Sunday morning, Contra ...