As of November 12, 2026, there is no Nitrous Oxide ban in Wyoming; Nitrous Oxide is in a legal gray area (sold in practice, exposed to an interpretive ban theory) (Generic law bars inhaling gases not made for inhalation; nitrous oxide not named), and no pending ban or effective date is on file.
Verified November 12, 2026. Full determination, citations and verbatim law: Is Nitrous Oxide legal in Wyoming?No Nitrous Oxide ban is pending in Wyoming as of November 13, 2026.
Every state where Nitrous Oxide is banned · Inhalant ban in Wyoming · All compounds in Wyoming · Is Nitrous Oxide Legal? Every state
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