Creating tobacco-free spaces through policy is effective in reducing tobacco use and improving public health. There is no safe level of exposure to secondhand smoke and evidence shows that secondhand smoke is harmful even in outdoor spaces. While state and federal law regulate tobacco use in limited areas, New York local governments and private entities possess authority to impose more stringent tobacco use restrictions in both indoor and outdoor areas. This fact sheet aims to answer some common questions about developing, implementing and enforcing local and private tobacco-free policies. For more information about tobacco-free policies and other public health interventions, visit our website at tobaccopolicycenter.org.