No Smoking Sign - Universal Prohibition Symbol for Smoke-Free Zones #3821516 (License: Personal Use)

The image displays the internationally standardized no smoking symbol: a bold red circle with a diagonal red slash overlaid on a black cigarette emitting two wavy lines of smoke. The high-contrast design ensures immediate recognition across cultures and languages, making it ideal for regulatory signage in airports, hospitals, schools, and workplaces. Its transparent background allows seamless integration into digital or printed materials.

This image is commonly used on websites, apps, and physical signage to indicate smoke-free areas, support public health campaigns, or comply with legal requirements like the WHO Framework Convention on Tobacco Control. It matches user intent for finding authoritative, accessible prohibition symbols for policy documentation or environmental design.