No Smoking Sign - Universal Prohibition Symbol for Smoke-Free Zones #2216656 (License: Personal Use)

This monochrome pictogram features a stylized cigarette with three vertical lines representing tobacco, a curl of smoke above, and a bold diagonal X overlay indicating prohibition. Designed for maximum legibility at a glance, it adheres to international standards for signage clarity and accessibility. The rounded square border enhances visual containment and distinguishes it from other warning symbols.

Used on doors, walls, vehicles, and digital interfaces to indicate smoke-free areas; aligns with user intent to locate or confirm non-smoking zones, comply with regulations, or design signage systems.