AIR PURIFICATION DEVICE

Provided is an air purification device having enhanced acetaldehyde removal performance. An air purification device 10 which uses a photocatalyst, wherein the air purification device 10 is configured to include: a housing 102; a photocatalyst member 103 disposed in the housing 102 and including titanium oxide; a light-emitting unit for radiating ultraviolet light to the photocatalyst member 103, the light-emitting unit being disposed in the housing 102 and including a plurality of LED elements; an active carbon member 109 disposed in the housing 102; and a fan 105 for distributing air in the housing 102.