Idaho - Clean Indoor Air Act

Statewide partial smoking ban: On July 1, 2004, the Adaho Clean Indoor Air Act went into effect, banning smoking statewide in all enclosed public places, except in bars, retail tobacco stores, private clubs, designated smoking rooms in hotels/motels, theatrical productions, areas of owner-operated businesses with no employees besides the owner that not open to the general public, offices (other than childcare facilities) within private homes, veterans homes, designated breakrooms in businesses with fewer than five employees (as long as they are separately ventilated and minors are not allowed in that room).

Local governments may regulate smoking more strictly than the state, though as of April 2009 none have done so. Localities in Idaho with a smoking ban including all bars and restaurant.