No Smoking Sign - Universal Prohibition Symbol for Smoke-Free Zones #3821599 (License: Personal Use)

The image displays the internationally standardized no smoking symbol: a black cigarette with rising smoke enclosed in a red circle crossed by a bold red diagonal line. This design follows ISO 7010 standards for safety signage and ensures immediate recognition across cultures and languages. Its high-contrast color scheme (red, black, white) maximizes visibility and compliance in diverse environments.

Commonly used on doors, walls, websites, and digital interfaces to indicate smoke-free zones such as hospitals, schools, airports, restaurants, and public transport. Matches user intent for locating or enforcing non-smoking policies, health compliance, or regulatory signage guidance.