As others have already written here, this purifier was made for China, where the problem is not dust, but air pollution. It cleans well from various contaminants. When a column of smoky trucks passes under the windows or the grass is mowed, it quickly turns on and removes the smell. However, it does not react to ordinary dust, so it works at 2/3 of its capabilities for almost the whole day, and switches to night mode at night according to the schedule. Good for removing odors from the room. After a week of use, there is quite a lot of dust in the filter compartment and on it. It feels like the surface of the table is not covered with dust so quickly, but it is still covered, like the filters in the computer system unit, which is located at the other end of the room. In general, I am satisfied with the purchase (so far), but the Mi Home application is still very crooked and raw.
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