XIAOMI Smart Air Purifier 4

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The XIAOMI Smart Air Purifier 4 is a powerful and advanced air purification system designed to remove harmful pollutants and allergens from your indoor space. With its smart capabilities, it can be controlled remotely and adjust its settings to maintain clean and healthy air at all times. Experience a significant improvement in air quality with this innovative purifier.

XIAOMI Smart Air Purifier 4
Breathe clean, breathe healthy20m² large room purification in approx. 10 minutes
Smart control |Effectively reduce H1N1 virus in the air
Air is filled with invisible pollutants that pose a risk to your health
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.

Pet hair





Cotton fibre

TÜV Rheinland Allergy Care Certification Strict allergen filtration guaranteed

Certified by the authoritative TÜV Rheinland,Xiaomi Smart Air Purifire 4 is proven to effectively filter out allergens in the air

Protection for those prone to allergies

Pollen filtration

A hero for animal lovers

Pet hair and dander filtration

Xiaomi Smart Air Purifier 4 can effectively reduce H1NI virus in the air

Xiaomi Smart Air Purifier 4 can effectively reduce Escherichia coli, Staphylococcus aureus and Klebsiella pneumoniae subsp pneumoniae in the air

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.

Pet odours

Cooking fumes



Other odours 

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.

Filter replacement reminders

Link to the Mi Home/Xiaomi Home app and simply change your filter when recommended

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.

Remote control

Timed on/off

Adjustable settings

Air quality

Child lock

Filter-replacement monitoring

Voice-control supportActivate 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.

Favourite mode

Night mode

Auto mode




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 naps.

Easy-clean air ducts Clean your purifier from the inside out

Unscrew 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.

Step 1

Unscrew and remove the grille

Step 2
Using a soft cloth, clean the air ducts and the fan blades

Step 3

Screw the grille back into place

Easy open and close

Magnetic-door design 


Weather-resistant ABS body

The difference between Xiaomi's High Efficiency Filter and conventional HEPA Filter

Combining two filter technologies: Electrostatic charge and mechanical filtration, Xiaomi's High Efficiency Filter media can remove 99.97% of airborne particles of 0.3 micrometers in size and traps dust, PM 2.5, pollen, pet dander, smoke and tiny particles. Compared to a conventional HEPA filter, Xiaomi's High Efficiency Filter allows the air purifier to generate less noise and consume less energy by allowing more airflow to pass through the filter all the while keeping the same cleaning efficiency. 

Conventional HEPA filter
Xiaomi's High Efficiency Filter
Less clean air
More clean air
HEPA filter is made of dense fiberglass to trap particles, which means that less clean air get through the filter.
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
Large volume air is forced to get through a dense HEPA filter, requires higher fan speed, which will generate higher noise.
Less dense fibers filter is easy to have the air passed even in a high speed, which results in much lower noise.
Higher energy consumption
Lower energy consumption
In order to get more clean air, HEPA filter requires the motor to run at a higher speed, which causes higher energy consumption.
Thanks to a less dense fibers filter, Xiaomi's filter consumes less energy to achieve the same volume clean air.


Xiaomi Smart Air Purifier 4
Product name: Xiaomi Smart Air Purifier 4
Product model no.: AC-M16-SC
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
Package contents
Xiaomi Smart Air Purifier 4 x1
Filter x1
User manual x1
Power cable x1
Particle purification efficiency

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