The Air District has issued the following prescribed burn notice effective October 17 -24, 2025.

- Hill Ranch, mountains west of Novato, 155 acres, Marin County Fire Department

- Kamryn, hills near Route 92 and I280, 55 acres, CALFIRE San Mateo-Santa Cruz Unit

- TomKat Ranch, Pescadero, 49 acres, CALFIRE San Mateo-Santa Cruz Unit

- Tolay Lake Regional Park, southeast of Petaluma, 100 acres, Sonoma County Regional Parks

The Air District has fined Marathon Martinez Refinery, which is operated by Marathon subsidiary Tesoro Refining & Marketing Company LLC, $372,500 for 13 Notices of Violation that include tank-related violations, uncertified pieces of equipment at their on-site gas dispensing facility and reporting delays.

The Air District's Board of Directors approved amendments to Regulation 6, Rule 3: Wood-Burning Devices and Regulation 5: Open Burning that will provide stronger public health protections and support wildfire prevention efforts through improved use of prescribed burns across the region.