Synopsis As Introduced Amends the Illinois Clean Indoor Air Act. Provides that a home rule unit of local government or any municipality in this State may regulate smoking in public places. Provides that this regulation must be no less restrictive than the regulation in the Act. Changes the home rule limitation from an absolute preemption to a limitation on the concurrent exercise of home rule power. Maintains the exemption from home rule requirements for home rule units that passed ordinances regulating smoking before October 1, 1989. Limits the concurrent exercise of home rule powers.