Impressive CADR
Purify a large 20m² room in approx. 10 minutesXiaomi 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 particlesAll-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 freshnessActivated 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 freshYour 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 filterThe 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 purificationSensitive 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 moveWith 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.

Voice-control support
Activate your purifier with your voice

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.

Low-noise 32.1dB(A) Night Mode
For a good night’s sleep
Switch to Night Mode to turn off display luminance for no-glare, no-noise purification. Your purifier will keep air circulating, providing you with the perfect environment for some undisturbed shut-eye.

Easy-clean air ducts
Clean your purifier from the inside outUnscrew and remove the grille for easy access to the fan blades and air ducts. Easy cleaning for the inside of your purifier to prevent secondary pollution.

Specifications
Product dimensions 250x250x555mm
Product net weight: Approx. 5.6kg
Effective coverage area: 28-48m²
Noise: ≤64dB(A)
PM CADR: 400m³/h
Particle purification efficiency: High