Provided is a humidification and air cleaning apparatus. The humidification and air cleaning apparatus includes an air clean module receiving external air and performing filtration on the entered external air to generate filtered air, an air wash module disposed at an upper part of the air clean module, receiving filtered air from the air clean module, and performing humidification on the filtered air, a dust sensor disposed on at least one of the air clean module or the air wash module and detecting a dust concentration of external air, and a lighting module disposed on at least one of the air clean module or the air wash module and emitting light as a color classified according to a dust concentration detected from the dust sensor.