# Thymom&Thymuscancer Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals, and plants. It also damages buildings. Pollutants in the air take many forms. They can be gases, solid particles, or liquid droplets. Sources of Air Pollution. Dr. Pramoj Jindal For More Information - https://www.youtube.com/channel/UCvSLN_Y5iD--ntHe9c4yjDg