Question

why does dust move in the air?​

Answer 1

Molecules in air are constantly moving and hitting the dust particles. Because the molecules are moving in many directions, they collide with the dust particles from different directions. This action causes the darting motion of the dust that you observe.

Answer 2

Answer:

Without wind, dust will generally remain on the ground. While wind is unquestionably the force that causes dust to rise, additional physical and electrical forces accelerate the process. When wind passes over a dust source, the loosely held sand and dust particles move