The fine dust reduction system of an excavator according to an embodiment is electrically connected to a plurality of fine dust sensing devices and fine dust sensing devices disposed in the excavator, and when fine dust is detected around the excavator by the fine dust sensing device Including a fine dust reduction device that is operated to reduce fine dust, the fine dust detection device detects the fine dust around the excavator and measures the concentration, and a position for acquiring the position information of the detected fine dust Including a sensor unit, the fine dust reduction device receives the position information of the fine dust obtained by the fine dust detection device from the fine dust detection device, the fine dust reduction device is based on the received position information of the fine dust. Perform an operation for reduction.
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