When is World Asthma Day observed?AMay 04BFirst Tuesday of MayCFirst Monday of MayDMay 05Answer: D. May 05 Read Explanation: World Asthma Day is an annual event organized by the Global Initiative for Asthma (GINA) to improve asthma awareness and care around the world. World Asthma Day takes place on May 5th. The inaugural World Asthma Day was held in 1998.Read more in App