A nebulization nozzle for an apparatus for surface disinfection by air, substantially rotating about an axis, including a substantially cylindrical chamber, the axis of which coincides with the axis of the nozzle, a pipe opening into the bottom of the chamber, preferably in the center of the bottom, capable of supplying a treatment product, an air inlet circumventing the periphery of the chamber, vanes arranged between the air inlet and the chamber, and a substantially conical diffuser opening outwards, the axis of which is aligned with the axis of the nozzle and attached to the chamber on the side opposite the bottom, wherein the vanes are curved.
