Abstract: The air clarifying apparatus includes a negative ion generator and an indoor air circulator. It further includes an ozone generator having a capability of maintaining the average concentration value of ozone in an indoor atmosphere at 0.02 to 0.05 ppm, while the average concentration value of negative ions in the vicinity of the blowout port of the negative ion generator is maintained at 200,000 to 1,000,000 pieces/cc. With this configuration, the negative ions coexist with ozone having a low concentration.

Abstract: In the present invention, an air clarifying apparatus (1), comprising a negative ion generating means (2) and an indoor air circulating means (4), further comprises an ozone generating means (3) having a capability of maintaining the average concentration value of ozone in an indoor atmosphere at 0.02 to 0.05 ppm, and the average concentration value of negative ions in the vicinity of the blowout port of the negative ion generating means (2) is maintained at 200,000 to 1,000,000 pieces/cc. With this configuration, a comfortable indoor environment can be created by fully utilizing a relaxation effect obtained by negative ions and by allowing the negative ions to coexist with ozone having a low concentration so that the sterilizing effect or the antibacterial effect of the apparatus is enhanced.