A mote is a tiny particle of dust or dirt that is often so small it can only be seen when illuminated by light. These particles can be made up of various materials, including dead skin cells, pollen, and fibers from clothing or furniture. Motes are commonly found floating in the air, especially in sunlight, where they create a visible beam of light. Motes can accumulate in indoor environments, contributing to allergies and respiratory issues for some people. Regular cleaning and dusting can help reduce the presence of motes in homes. Understanding the nature of dust can aid in maintaining a healthier living space.