No Smoking Sign - Universal Prohibition Symbol for Smoke-Free Zones #2216748 (License: Personal Use)

The image features a bold red circular border with a diagonal red slash crossing through a black cigarette emitting three wavy smoke lines, set against a white background. This iconic design follows ISO 7010 safety signage standards and is instantly recognizable worldwide as a prohibition against smoking. Its high-contrast color scheme ensures visibility and compliance in diverse environments.

Used on walls, doors, entrances, and digital interfaces to indicate smoke-free zones; matches user intent for finding regulatory signage, health policy resources, or printable safety symbols.