PROBLEM TO BE SOLVED: To provide an air cleaning device that can further save electricity.SOLUTION: An air cleaning device includes: air blowing means； pollution information detection means for detecting pollution information indicating an air pollution state within a prescribed space； and mode switching means for switching between a first mode of controlling the air blowing means on the basis of the pollution information and a second mode of repeating activation and stop of the air blowing means and the pollution information detection means with a prescribed cycle.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】 より節電が可能な空気清浄装置を提供する。【解決手段】 空気清浄装置は、送風手段と、所定空間内の空気の汚れ状態を表す汚れ情報を検出する汚れ情報検出手段と、前記汚れ情報に基づいて、前記送風手段を制御する第１のモードと、所定の周期にて、前記送風手段および前記汚れ情報検出手段の起動と停止とを繰り返す第２のモードとを切替えるモード切替手段と、を有する。【選択図】 図１
