I guess a discussion page for the Xiao Mi Air Purifier 2S?
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Had a basic question - I've had mine for a week and the filter is already at 97%, despite me only having it on at night and the pm2.5 being below 3 the entire time I've had it (which probably means I don't really need it if my air is OK???). Is this too fast?
You've used 3% of its capacity