Mi Air Purifier Models Specs & Price [2021]

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Xiaomi is a Chinese company established in 2010 that mainly manufactures electronics.

It is most famous for its laptops, phones, and phone accessories. Xiaomi is currently the world’s fourth-largest smartphone brand.

It also identifies as an internet company exploring the concept of the internet of things (IoT). Though it is not one of the leading names when it comes to air purifiers, it offers products with much cheaper filters.

Through this, Mi Air Purifiers provide people with a far more affordable option to improve their air quality. The company is headquartered in Beijing, China and employs more than 18,000 people.

Mi Air Purifiers

Mi air purifiers are available in three models, each having its unique characteristics. These purifiers come at significantly lower prices making them affordable to more households.

Mi Comparison Table

ModelFilterIdeal For
Mi Air Purifier 2CHEPA452 sq feet
Mi Air Purifier 2SH-11-grade filter from TORAY398 sq feet
Mi Air Purifier 3Primary filter + HEPA + Activated Carbon484 sq feet

Mi Air Purifier 2C

The Mi Air Purifier 2C is engineered to tackle indoor pollution and can filter dust, particles, floccules, and hair.

It does so using dual filtration with true HEPA that takes care of pollen, hair, dust, allergens, and PM2.5.

The powerful 360° suction has a CADR of 350 cubic meters per hour which can cover an area of 452 square feet. It features an infrared sensor that detects the pollution level inside your room and indicates the quality using three colors.

Green is for clean air, orange for a moderate level of pollution, and red for a severe level of pollution. Designed for easy operation and maintenance, it allows DIY filter changes that take only 10 seconds.

The tower-like structure is meant to provide maximum efficiency while keeping the unit compact. It has a noise level of 63dB and is rated at 33W.


Mi Air Purifier 2S

This model from the Mi Air Purifier series has a 360° cylindrical 3-layer filter for various kinds of pollutants. The external layer removes large particles like hair and dust.

The middle layer is an H-11-grade filter from TORAY, Japan that takes care of micron-sized particles.

Inside this is the activated carbon layer that gets rid of formaldehyde, toxic substances, and odors. This model uses a high-precision laser sensor to monitor and display the air quality of a space.

The OLED screen comes with automatic brightness adjustment to avoid disturbing sleep. With a CADR of 310 cubic meters per hour, it can purify the air in a 37-meter square room within ten minutes.

The efficient tower design gives 360° airflow and optimal power usage through a compact body. Other features offered are favorite mode, sleep mode, auto mode, voice activation, and smartphone control.


Mi Air Purifier 3

The Mi Air Purifier 3 is a three-layered air filtration system that removes 99.97% of pollutants. It can sieve out smoke, mold spores, pet dander, pollen, dust, allergens, and particles up to 0.3 microns in size.

The three layers include a primary filter, a HEPA filter, and an activated carbon filter. The latter gets rid of formaldehyde, toxic substances, and odor.

This model is cuboid in shape for even airflow and 360° filtration.

It works great in large spaces and can be placed anywhere in the room. The CADR is 380 cubic meters per hour for an area up to 484 square feet.

Settings can be monitored and adjusted using the Mi Home smartphone app, which also informs you when filters need changing.

It is designed to operate with minimal sound and has a power consumption of 0.9 kilowatts per hour. An OLED touch display indicates the air quality level using numbers and three colors.



Xiaomi is a world-famous Chinese company popular for its laptops and smartphones.

In the market for air purifiers, Mi products offer an affordable way to improve air quality. Mi Air Purifiers are available in three models with progressing characteristics.

Models 2C, 2S, and 3 are in increasing order of prices and features. These purifiers can be connected to smartphones using the Mi phone app and two of them offer voice activation.

They each have a 360° design for energy efficiency and optimal airflow and suction. These purifiers use sensors and creative displays to monitor and indicate the air pollution levels in a space.

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