A compact air purification apparatus which can improve an acetaldehyde removal performance and of which the size can be reduced is provided. A compact air purification apparatus using a photocatalyst includes a housing, a photocatalyst member that is disposed in the housing and contains titanium oxides, a light emitting unit that is disposed in the housing to irradiate the photocatalyst member with ultraviolet light and includes a plurality of LED elements, and a fan that circulates air inside the housing.
