The utility model relates to a technical field of experimental apparatus especially relates to an experimental apparatus of simulation haze environment and data monitoring system thereof. The utility model discloses a haze simulation experiment box and haze generation system, data monitoring system still include wind speed control system and temperature control system, haze granule particle diameter test system and exhaust system, wherein, be connected with haze generation system, data monitoring system, wind speed control system and temperature control system, haze granule particle diameter test system and exhaust system on the haze simulation experiment box. The utility model discloses owing to be equipped with air -bleed system in experiment box bottom, consequently, haze composition in the experimental box of can discharging through this air -bleed system after the experiment to prevent that the haze granule from causing the injury to the experimenter's health, be favorable to going on smoothly of work, guarantee the security of experiment operation personnel work.