Self-propelled ion generator and cleaning robot

A cleaning robot (1) constituted of a self-propelled ion generator is provided with a main body housing (2) that is self-propelled over a floor surface while opening a suction port (6) and an exhaust port (7), an electric blower (22) disposed inside the main body housing (2), an ion generating device (25) for discharging ions in a second exhaust path (24b) between the electric blower (22) and the exhaust port (7), and an environment detection device (an odor sensor (52), a humidity sensor (53) and a travel map (18a)) for detecting the environment surrounding the main body housing (2); and, on the basis of the environment surrounding the main body housing (2) detected by the environment detection device, remains for a fixed time in a determined specific location and sends an airflow comprising ions from the exhaust port (7) by driving the ion generating device (25) and the electric blower (22).