A device (200) for generating an aerosol cloud, the device (200) comprising: a body (210) defining an inner cavity, an outer surface, and an opening (213) extending between the inner cavity of the body (210) and the outer surface at least one ultrasonic element (220) operable to aerosolize a liquid disposed in the inner cavity and at least one sensor (226) associated with the at least one ultrasonic element (220).
