An automatic water spraying dust control system designed to remotely control water sprinklers to spray water to suppress dust pollution according to air quality. Dust sensors placed at various control points monitor the site's real-time dust levels. A main control unit triggered by the dust sensors (Pre-approved item no. PA19-044 iSmartBuild Real-time Monitoring System) operates the solenoid valves which turn on/off the water sprinklers. Legend: 14