As Xiaomi Smart Humidifier 2 can atomize the water into relatively tiny droplets in the mist, the diameter of the water droplets is similar to that of various dusts in the air, such as PM2.5, so the water droplets and dusts are indistinguishable to the particle sensor on Xiaomi air purifier, which would mistake the tiny water droplets for dusts in the air.
Therefore, when the purifier in auto mode detects that the PM2.5 content in the air is high, it will run at a higher power, which is normal; it is the same case for the PM2.5 detector, the PM2.5 value displayed will increase, which is normal.
Therefore, it is recommended that users try to run Xiaomi air purifier and humidifier at different times. If they must be used at the same time, try to keep the purifier and PM2.5 detector away from the humidifier in different rooms.
The user shall be clearly informed that this is not a quality issue or a defect. Most of the current sensors are prone to such issue. When they are used, try not to use them at the same time or keep them far away.
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