The present invention relates to a fine dust sensor interlocking automatic opening and closing window system, which automatically opens and closes an indoor window in conjunction with a fine dust sensor, The automatic opening/closing window system interlocked with the fine dust sensor of the present invention detects fine dust in the room simply and accurately, and according to the detected fine dust level, the air purification module of the automatic opening and closing window system interlocked with the fine dust sensor is operated to collect or remove the detected fine dust. It automatically opens and closes the window to keep the indoor environment clean and comfortable, and it is controlled by the Internet of Things (IOT), so it is possible to secure accurate fine dust data, and it is safe and convenient to use.
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