No Smoking Sign - Universal Prohibition Symbol for Smoke-Free Zones #2216772 (License: Personal Use)

The image displays a classic no smoking sign: a black cigarette emitting smoke, overlaid with a bold red circle and diagonal slash. This internationally recognized symbol is used to indicate areas where tobacco smoking is strictly forbidden, supporting public health regulations and indoor air quality standards.

Commonly displayed at entrances, restrooms, workplaces, hospitals, schools, and transportation hubs; used to comply with local smoking bans and inform visitors of policy enforcement.