To provide an air cleaner having sufficient trapping effects when collectively trapping dust such as anther dust or dirt in a room and odors.

The air cleaner 101 for sucking and cleaning room air to be blown into the room comprises a blower for sucking air to be blown, suction openings 113-116 through which the room air is sucked, a rocking panel 123, and a control device. The opening area of the opening 116 is variable. The rocking panel 123 is moved to vary the area of the opening 116. The control device increases the output of the blower in a super high power mode with an increase in the area of the opening 116.