Xiaomi Smart Air Purifier 4 Compact delivers powerful air purification in a sleek, space-saving design perfect for modern homes and offices. Equipped with a high-efficiency HEPA filter, it removes up to 99.97% of airborne particles as small as 0.3 microns — including dust, pollen, smoke, and pet dander — ensuring you breathe cleaner, healthier air every day.
Designed for convenience, this smart air purifier supports voice control via Google Assistant and Amazon Alexa, so you can adjust settings hands-free. With Mi Home App connectivity, you can monitor real-time air quality, control modes, and schedule operations from anywhere using your smartphone.
Despite its compact size, the Xiaomi Smart Air Purifier 4 Compact effectively cleans rooms up to 48 m², maintaining a fresh and comfortable environment for your family. Featuring whisper-quiet operation and a minimalist design, it blends seamlessly into any room while keeping your air pure and safe.
From the manufacturer
Impressive CADR
Purify a large 20m² room in approx. 10 minutes
Xiaomi Smart Air Purifier 4 has a Particle CADR of up to 400m³/h, able to deliver 6660L of purified air per minute, and with 360° all-round air intake, whole-room air purification is effortless.
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.
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.
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.
- Real-time monitoring for timely feedback
- Automatic optimisation of purification speed
Xiaomi’s High Efficiency Filter
More clean air
Xiaomi’s filter integrated melt-blown PP fibers with electrostatics technology equipped with bigger fibers space, which enables a large volume clean air to get through the filter.
Low noise
Less dense fibers filter is easy to have the air passed even in a high speed, which results in much lower noise.
Lower energy consumption
Thanks to a less dense fibers filter, Xiaomi’s filter consumes less energy to achieve the same volume clean air.
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