The invention discloses an outdoor haze cleaner. The outdoor haze cleaner mainly comprises a cleaning chamber, an air inlet and an air outlet, wherein the cleaning chamber is of a sealed structure of which two ends are provided with openings; the openings are an air inlet and an air outlet respectively; a spray water pipe is arranged at the top of the cleaning chamber and is connected with an automatic sprinkling tap; a water tank is arranged at the bottom of the cleaning chamber and is connected with a water storage pond; the water storage pond is connected with a water inlet end of a water pump through a water pipe; a water outlet end of the water pump is connected with the spray water pipe through a water pipe; a horn-shaped air collecting device is arranged at the air inlet. The outdoor haze cleaner is reasonable in structure, convenient to use, low in construction and maintenance cost, convenient to be promoted and applied in a large scope, and capable of effectively removing dust and fixed particulate matters in haze and capable of greatly improving the air quality.