World No Tobacco Day is observed on May 31 each year to raise awareness about the harmful effects of tobacco use. This day encourages people to quit smoking and promotes policies to reduce tobacco consumption. It aims to highlight the health risks associated with tobacco, including diseases like cancer and heart disease. The World Health Organization (WHO) established World No Tobacco Day in 1987. Each year, the day focuses on a specific theme related to tobacco control, aiming to educate the public and support initiatives that help reduce tobacco use globally.