Montana Bans Indoor Vaping Under Clean Indoor Air Act
Montana has updated its Clean Indoor Air Act to prohibit the use of electronic cigarettes and vaping devices in most public indoor spaces, aligning the rules for vaping with those for traditional smoking. This change aims to protect all residents from exposure to secondhand aerosol and support the state’s clean air initiatives.
The original Clean Indoor Air Act, passed in 2005, successfully banned smoking in enclosed public areas like restaurants, bars, and workplaces, significantly reducing secondhand smoke exposure. The new update extends these protections to cover the aerosol from e-cigarettes, which growing research shows is not harmless water vapor but can contain nicotine, chemicals, and fine particles harmful to bystanders.
Under the updated law, vaping is now banned in a wide range of locations, including:
- Restaurants and bars
- Workplaces
- Public buildings
- Schools
- Stores and shopping centers
- Public transportation
This measure is seen as crucial for protecting public health, especially for vulnerable groups like children, seniors, and individuals with respiratory conditions. It also aims to reduce the visibility and appeal of vaping to young people. While individuals can still use their devices in designated outdoor areas, the goal of the updated act is to ensure everyone’s right to breathe clean, safe air indoors.
- Read more: Vaping in Public: A State-by-State Guide to Indoor Laws (2025)
- Read more: New signage enforces Montana’s indoor vaping ban
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