From Longman Dictionary of Contemporary Englishsmoke-free environment/zone etcsmoke-free environment/zone etcSMOKEa place where people are not allowed to smoke SYN non-smoking new laws to create a smoke-free environment at work → smoke-free
Examples from the Corpus
smoke-free environment/zone etc• The freedom of the individual is important; everyone is entitled to a smoke-free environment.• New laws to create a smoke-free environment at work and in public places. 