Sonoma County could take a big step Tuesday toward snuffing out smoking in unincorporated areas.

A ban on smoking in apartments and condominiums, on county-owned property, in parks, campgrounds and beaches and at many other outdoor areas where people gather comes before the Sonoma County Board of Supervisors.

Smoking would be allowed on county property and in multi-unit housing in designated spaces at least 25 feet from recreation areas or from a doorway, window or vent.

If approved, the new rules would represent some of the strongest smoking restrictions in the county, on par with limits in Sebastopol and Rohnert Park.