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California note

Winter wood burning in the Valley gets a daily status

In the San Joaquin Valley, residential wood-burning rules can change by county and day during the winter Check Before You Burn season.

The San Joaquin Valley has a winter wood-smoke rule that changes by county and day. From November 1 through the end of February, Valley Air issues a daily residential wood-burning curtailment status for each county.

If you use a fireplace, wood stove, pellet stove, or fire log, look up your county’s status first. The day’s status may allow burning, limit it to registered devices, or prohibit it. Exemptions can matter if wood is the only heat source or if there is no natural gas service, so use the program page for those details.

The reason is physical. Cold, still Valley air can hold smoke close to neighborhoods. Look up the county status, use clean dry fuel only when allowed, and do not burn trash or paper materials.

Where to see it

Valley Air's residential wood-smoke page and daily burn status tools for the San Joaquin Valley counties.

Official sources

Official pages

Reviewed July 1, 2026

Current rules, forms, fees, deadlines, maps, and office instructions.

Rules, forms, fees, deadlines, and office procedures can change. Check the current page before you file, pay, or rely on a date.

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