Xiaomi Smart Air Purifier 4

Three-in-one filtration 99.97% elimination of 0.3μm particles:
All-day protection for those who suffer from rhinitis and allergies. Xiaomi Smart Air Purifier 4 protects your respiratory health by keeping the air in your home clean and safe to breathe.



High-quality activated carbon Odour elimination for lasting freshness
Activated carbon has a high adsorption rate and effectively removes common harmful gases such as VOC from your home, as well as eliminating odours to keep your air fresh.


Negative Air Ionization helps keep your home fresh
Your purifier releases negative ions to keep the air fresh, helping you stay refreshed after a hard day's work.


Just one filter for up to one year's usage Everyday freshness with a long-lasting filter
The filter is highly efficient with a large surface area and high content of high-quality activated carbon. Long-lasting filter performance means less replacements, with one filter lasting 6-12 months.


One-touch Auto Mode Effective, hands-free purification
Sensitive high-precision laser sensors monitor changes in air quality. High-efficiency purification in Auto Mode your purifier monitors real-time air quality and automatically adjusts purification speed.


Smart control Keep your home fresh when on the move
With support for smart control, ensure that you always return to a home filled with clean, fresh air. Use the Mi Home/Xiaomi Home app from your smartphone to enable purification when away from home.


Real-time air quality with the OLED display
Intuitive indoor air-quality data with the real-time PM2.5 display and colour-coded indicator. Adjust your purification settings with the simple touch control buttons, one light touch to fulfil your air-quality needs.