A humidification apparatus is provided. In the humidification apparatus, a housing has an inlet port in a lower portion thereof and an outlet port in an upper portion thereof. A filter unit is installed in the vicinity of the inlet port in a lower portion of the housing. The filter unit includes an air cleaning filter configured to filter air. A fan unit is disposed on the filter unit to draw in air. A humidifying unit is installed to form an air flow passage between the filter unit and the fan unit within the housing. The humidifying unit includes a humidifying filter configured to humidify air having passed through the filter unit.
