An air filtering apparatus (100) including a housing (10) having an air suction port (11) through which air is sucked and an air blow-out port (12) through which air is blown out, an air blower (20) for forming in the housing an air flowing passage through which the air sucked from the air suction port flows to the air blow-out port, an air filtering unit (30) that is disposed on the air flowing passage and brings the air supplied along the air flowing passage into contact with electrolytic water containing active oxygen species to filter the air, an electrolytic water supply unit (40) for electrolyzing prescribed water to generate the electrolytic water and supplying the electrolytic water to the air filtering unit, and a water supply unit (50) having a water stock unit (51) for stocking the prescribed water supplied through a water distributing pipe (61) from an external water supply source, the water stocked in the water stock unit being supplied to the electrolytic water supply unit, wherein the air filtered by the air filtering unit is blown out from the air blow-out port to a room.
