Mi Air Purifier 3 Review

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In Brief: Mi Air Purifier 3 Review

Mi Air Purifier 3 comes with a coverage area of 279 – 484 sq. ft. and a CADR of 380 m3/h for particles in the air, and 60 m3/h CADR for formaldehyde. It has an ultra-clear OLED display with touch control, and it can also be controlled via the app. The Guangzhou Industrial Microbiology Testing Center also certifies it.

Source: Mi

Xiaomi, founded in 2010, has the vision “innovation for everyone”. It aims to make high-quality products built with cutting-edge technology accessible to everyone.

Their product range currently includes Mi and Redmi smartphones, Mi routers, and Mi Ecosystem products etc.

Mi Air Purifier 3 comes with a coverage area of 279 – 484 sq. ft. is suitable for a wide range of rooms, like bedrooms, living rooms, living rooms, etc. that do not exceed 484 sq. ft.

It has a CADR of 380 m3/h for particles in the air, and 60 m3/h CADR for formaldehyde.

Key Specifications of Mi Air Purifier 3

Source: Mi

The Mi Air Purifier 3 has a True HEPA Filter with a filtration efficiency of 99.97% for particle size up to 0.3 microns. It provides 360 Degree air intake with a 3 Layer filtration as well.

The Guangzhou Industrial Microbiology Testing Center also certifies it.

It features an OLED touch display that shows the real-time PM2.5 concentration, temperature and humidity, of the air in the room. It also has a Wi-Fi connection and Working mode.

It works with Google Assistant and Amazon Alexa as well.

Check out the Mi Air Purifier 3 in action in this video:


The key specifications of the air purifier 3 are summarized below:

Purification TechnologyHEPA filter
FiltersPrimary filter, True HEPA filter and Activated Carbon filter.
Main filter TypeTrue HEPA Filter
Coverage Area (sq ft)Up to 484 sq. ft.
CADRCADR Particles: 380 m3/h
CADR Formaldehyde: 60 m3/h
Power Consumption (W)38 W
Noise (dB)64 dB(A)
Power Supply (V)100–240 V~ 50/60 Hz
Dimensions (L X W X H) cm24 x 24 x 52 cm
Warranty (years)1
Power source typeCorded Electric

Unique Features

The Mi Air Purifier 3 has three unique features, two of which are:

Innovative design for Consistent Airflow

The Mi Air Purifier 3 comes with a centrifugal fan and custom brushless motor that improves on the output volume of clean air.

It has a supercharged air duct that features a polished inner wall that reduces wind resistance and smoothes out the airflow.

It also has a full square design that creates a uniform airflow path and supercharges ventilation.

Modern Features for the Modern Home

The Mi Air Purifier 3 can be controlled through the Mi Home mobile application. Factors like air quality, temperature and humidity can be monitored through the application.

It can also adjust the fan strength and set a timer to power on the purifier. The application also provides notifications for when the filter has to be replaced.


What All Impurities Mi Air Purifier 3 Removes

Source: Mi

The air purifier can remove physical impurities like dust, dirt and hair.

It can remove chemical pollutants like formaldehyde, smoke, toxic substances and foul odour. It can also remove biological contaminants like mould spores.

Can Mi Air Purifier 3 Remove Virus?

No, the HEPA filter used in Mi Air Purifier 3 air purifier can remove particles as small as 0.3 microns with an efficiency of 99.97%.

As viruses are usually around 0.1 microns (coronavirus is around 0.12 microns), they can pass through the filters of the air purifier and cannot be removed by this product.

Mi Air Purifier 3 Air Filters System: How it Purifies air

The product contains a three-stage filtration system consisting of:

  1. Primary Filter: This filter removes large airborne particles like dust and hair.
  2. Activated Carbon Filter: This filter works towards removing formaldehyde, toxic substances and foul odours from the air.
  3. True HEPA Filter: This filter works to eliminate 99.97% of smoke, household dust, pet dander, mould spores, pollen, allergens and other fine particles up to a size of 0.3 microns.

The product comes with a HEPA 13 filter.

Air purifiers using HEPA filters are often used by persons with allergies and asthma to help reduce the distress caused by the symptoms of these conditions.


Filter Change, Repairs & Warranty

The replacement period for the filters is about 6–12 months. The product comes with a one-year warranty on the main device, excluding the filter.

More details about the filter change, repair and warranty are:

Filter Change Requirements

The replacement period for the filters is 6–12 months.

If its service life is 10% or less, the display will show a QR code and the filter’s remaining service life as a percentage, whenever the user turns on the air purifier.

A vacuum cleaner or a soft cloth can be used to remove dust from the air inlets or the filter compartment, to ensure optimal ventilation and purification by the Mi Air Purifier 3.

Repairs and Warranty

The Mi Air Purifier 3 comes with a limited one-year warranty on the main device, excluding the filter. The warranty covers labour and parts. The filter has a 6 Month warranty for manufacturing defects.

Warranty services can be availed through walk-ins and require the Purchase Order Number. to be shown at the time of service.

For any information regarding Xiaomi air purifiers, you can contact them by call or email at 1800 103 6286 and [email protected] respectively. A contact page is available at https://www.mi.com/in/service/online/

Price of Mi Air Purifier 3 and Its Filters

This air purifier is priced reasonably and has a similar pricing compared to other products having similar features, coverage area, filter type and functionality.

The filters for this product are also priced within the range of its competitors. They can be purchased on the Xiaomi website and even Amazon.


Who Should Buy Mi Air Purifier 3

The Mi Air Purifier 3 is designed for addressing the air purification needs of medium to large rooms like bed rooms, living rooms, office cabins, etc. with its 279 to 484 sq. ft. coverage and 360-degree purification.

It can be placed in almost any room.

It is noiseless in its functioning and so is suitable for people wanting to have a quiet space maintained.

The air purifier helps remove the allergens in the air, making it ideal for individuals with allergies to airborne allergens like dust and pollen.

Why we like it

The air purifier is quick to show results by reducing the amount of indoor air pollution. It is reasonably priced and has an aesthetic look allowing it to be used in any room.

It is easy to install and clean. However, not all the features can be used by Google Assistant and Amazon Alexa, and require the use of the Mi Home App.

Furthermore, there have been issues with the quality of the customer service provided in some parts of the country.

However, considering the various features of the product, it is worth the buy.


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