The air is filled with pollutants
that pose a risk to your health

Full-room purification
in the time it takes to read a bedtime story Xiaomi Smart Air Purifier 4 Pro has a CADR of up to 500m³/h, and is able to release 8330L* of clean air per minute. The purified air is able to reach every corner of your home, so you and your family can breathe healthy all the time.

Clean air that is visible
with comprehensive monitoring and real-time display

Targeted purification that leaves pollutants with nowhere to hide
Comprehensive monitoring of air-quality changes for more targeted, efficient purification. In Auto Mode your purifier monitors real-time air quality and automatically adjusts the purification speed.

PM2.5-PM10
Detection of coarse particles such as pollen Indoor monitoring for pollen, ash, spores, pet dander and plant epidermis etc

PM2.5
Detection of fine particles
Indoor monitoring for small inhalable pollutants, such as invisible particles in smoke etc

Intuitive display, easy-to-control interface
Intuitive indoor air-quality data with the real-time PM2.5/PM10 display and colour-coded light strip. Adjust your purification settings with the simple touch control buttons, one light touch to fulfil your air-quality needs.

Just one filter for up to one year's usage
Everyday freshness with a long-lasting filter
The filter, made from large-area high-efficiency filter and large volume high-quality activated carbon, can last 6-12 months. No need for frequent filter replacement.

99.97% elimination of 0.3μm particles
Three-in-one filtration for high-efficiency purification
The Xiaomi Smart Air Purifier 4 Pro features a three-in-one filter, including a primary filter, the Xiaomi's High Efficiency Filter and a high-quality activated carbon filter, which work together to purify your air and keep you healthy.

High-quality activated carbon
Odour elimination for lasting freshness
Activated carbon has a high adsorption rate, able to eliminate odours and keep your air fresh.

Negative air ionization
Stale-air elimination to keep your home freshEnhanced air purification with dust cleaning that will make you feel as though you're in the forest.

Smart control
Start your air purification anywhere anytime
Use the Mi Home/Xiaomi Home app to activate your air purifier on the move, so your home is fresh from the moment you arrive.

Low-noise 33.7dB(A) Night Mode
High-quality air that leaves you to sleep undisturbed
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 a night of sound sleep.

Easy-to-clean removable top grille.
Clean your purifier from the inside out
To protect the infants in your house, the top grille is screwed on and cannot be removed accidentally. Unscrew and remove the grille for easy access to the fan blades and air ducts. Clean the inside of your purifier to prevent secondary pollution.

The difference between Xiaomi‘s High Efficiency Filter and conventional HEPA Filter
Combine two filter technologies: Electrostatic charge and mechanical filtration, Xiaomi's high efficiency filter media can remove 99.97% of airborne particles down to a minimum size of 0.1 micrometers and traps dust, PM 2.5, pollen, pet dander, and smoke even the smallest microplastics. For fine particles up to 0.3 microns, Xiaomi's high efficiency filter media filtration rate is 99.97%, and for particles as small as 0.1 microns, the filtration rate can reach to 99.99%.