PROBLEM TO BE SOLVED: To solve a problem in a conventional air cleaning device that time-controlled switch is employed to automatically switch filters for dealing with a plurality of odors, but when odors are suddenly generated, for example, low response for switching the filters does not satisfactorily deal with them.SOLUTION: A deodorizing filter 5 is made a rotary type, and a driving means drives the deodorizing filter 5 to a position, where a catalyst corresponding to the odors detected by an odor sensor 51, is exposed on a ventilation passage 11. Accordingly, the deodorizing filter 5 has a high switching response, which can efficiently deodorize the odors and a suddnly-generated odor.
