Montana Indoor Vaping & Smoking Laws (2026)
Info: No statewide indoor vaping ban. Montana's Clean Indoor Air Act bans smoking in enclosed public places including bars, but "smoking" is combustion-only (lighted products) with no mention of e-cigarettes or vapor.
InfoVerified Jul 18, 2026
No statewide indoor vaping ban. Montana's Clean Indoor Air Act bans smoking in enclosed public places including bars, but "smoking" is combustion-only (lighted products) with no mention of e-cigarettes or vapor. Indoor vaping is limited only by local ordinance.
Covers where indoor vaping and e-cigarette use is restricted under state clean-indoor-air law. Local ordinances and private-property rules can be stricter. General legal information, not legal advice.
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