Montana Bans Indoor Public Vaping Under New Law (SB 390)
Montana has enacted Senate Bill 390, a new state law that expands the existing Clean Indoor Air Act to prohibit the use of electronic cigarettes (vapes) in most indoor public places and workplaces. This change, sponsored by Sen. Willis Curdy (D-Missoula) and signed into law by Gov. Greg Gianforte in May, effectively makes “smoke-free” also mean “vape-free” across the state.
The legislation, which passed with bipartisan support and took immediate effect, amends the definition of “smoking” to include “using an electronic smoking device.” This means vaping is now banned in the same indoor locations where traditional smoking was already prohibited under the 2005 Act. Health advocates like Jackie Semmens from the American Heart Association praised the move, highlighting it as a crucial step to combat what they term a “youth vaping epidemic.” The 2023 Montana Youth Risk Behavior Survey found 45% of high school students reported using a vaping product.
Semmens stated, “E-cigarette use was already prohibited in Montana schools, but we think that this sends a clear message… that e-cigarettes are not safe.” She emphasized that nicotine in every form is addictive and dangerous. The Montana Department of Public Health and Human Services is enforcing the new rules, initially sending educational letters to businesses found in violation before any penalties are issued. About ten city and county governments in Montana had already implemented similar local indoor vaping bans prior to this statewide law.
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