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Xiaomi Smart Air Purifier 4 Review: Affordable, Elegant, and Powerful

Xiaomi Smart Air Purifier 4 Review: Affordable, Elegant, and Powerful

After the launch of the Xiaomi Smart Air Purifier 4 series in India, I was intrigued by its impressive specifications and decided to get my hands on one to test its capabilities. Indoor air pollution has become a growing concern in today’s fast-paced world, and the Xiaomi Smart Air Purifier 4 is the perfect solution to this problem. It offers great value for money and comes packed with a host of impressive features.

If you’re looking for a top-of-the-line air purifier, the Xiaomi Smart Air Purifier 4 is worth considering. In this in-depth review, we’ll take a look at its design, features, performance, and overall user experience. Is it worth the high price tag? Let’s find out.

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Packaging and Setup:

The Xiaomi Smart Air Purifier 4 comes in a sleek and stylish package, ensuring the unit’s safety during transport. Inside the package, you will find the air purifier, a power cable, and an instruction manual. The setup process is easy and only requires a few minutes. To get started, simply unwrap the plastic packaging of the HEPA filter and carefully place it inside the air purifier. Once the filter is securely in place, simply plug in the power cable, turn on the purifier, and you’re ready to enjoy cleaner air.

Design and Build Quality:

The Xiaomi Smart Air Purifier 4 is the latest and most advanced air purifier from Xiaomi. It has a stylish and modern design that seamlessly integrates into any home decor. It has curved corners that enhance its elegance, and a minimalist design that is complemented by a matte white finish. The Xiaomi Smart Air Purifier 4 is a great addition to any home, and it is sure to improve the air quality in any room.

The fan at the top of the purifier is protected by a sturdy grille. This design allows for efficient airflow without obstructions, ensuring effective air filtration. The grille is securely lined to prevent accidental finger insertion, prioritizing safety, especially for households with children. The switch with the Xiaomi logo is located at the top, in the center of the grille mount. This allows easy access for cleaning the fan and maintaining optimal performance.

The sleek and stylish design of the purifier is enhanced by its circular OLED panel with touch capabilities. The sides of the purifier have a perforated grille design, maximizing air intake for efficient filtration. At the back of the purifier, a laser sensor detects particulate matter (PM) particles. The sensor, along with a hard reset button, is conveniently located for easy access. Opening the rear panel provides access to the filter module, which includes a new True HEPA filter.

Xiaomi Smart Air Purifier 4 Features:

The Xiaomi Smart Air Purifier 4 is perfect for those who are looking for a purifier that not only cleans the air, but also eliminates unpleasant smells. The purifier utilizes a 3-in-1 filtration system, consisting of a pre-filter, a high-efficiency filter, and an activated carbon filter. This combination effectively captures dust, allergens, pet dander, smoke, and odors, ensuring cleaner and fresher air. The pre-filter is responsible for trapping larger particles, while the high-efficiency filter targets microscopic pollutants as small as 0.3 micro-meters. Additionally, the activated carbon filter eliminates unpleasant smells.

The Xiaomi Smart Air Purifier 4 is designed with a 360-degree air intake system that draws in pollutants from all directions. This maximizes air purification efficiency and ensures that every corner of the room is covered.

The touch-sensitive panel allows for easy control and navigation, enabling users to switch between different modes and adjust settings with a simple touch. The OLED display shows real-time information on the air quality index (AQI) levels, providing immediate insights into the cleanliness of the air. Additionally, a smaller row displays the ambient temperature, humidity level, and the currently selected mode. An LED light bar beneath the display changes colors to reflect the current air quality status, allowing users to determine the air quality at a glance.

I was really impressed with the safety feature on this purifier that automatically turns it off if you open the back panel while it’s running. This prevents any accidental mishaps.


The Xiaomi Smart Air Purifier 4 is the perfect device for those looking for improved air quality. It employs a powerful fan and advanced filtration technology to quickly and effectively remove airborne pollutants. The combination of the pre-filter, high-efficiency filter, and activated carbon filter ensures that a wide range of pollutants are captured and eliminated from the air. This is especially important in areas with high levels of air pollution, where the purifier can make a noticeable difference in the air quality.

I live in a city where the air quality is generally good. But even here, the air quality can get a bit stuffy during the monsoon. That’s when I decided to get a purifier. I was surprised by how much of a difference the purifier made, even when the air was already clean. When the AQI was around 200, the purifier was able to bring it below 30 within just 15-20 minutes, despite being in its lowest setting. I also observed that it effectively eliminated cooking and other odors in a short amount of time. It’s worth noting that the purifier is very quiet and barely noticeable.

Smart Connectivity:

The Xiaomi Smart Air Purifier 4 is the perfect device for those who want to enjoy a seamless smart connectivity experience. With the ability to control and monitor the purifier remotely, using either the Android or iOS Mi Home app, you can enjoy a range of convenient features. Whether you’re looking to keep an eye on your air quality or want to set a schedule for the purifier to run, the Xiaomi Smart Air Purifier 4 has you covered.

Xiaomi Smart Air Purifier 4 Review: Affordable, Elegant, and Powerful
Xiaomi Smart Air Purifier 4 Review: Affordable, Elegant, and Powerful

Setting up the Xiaomi Smart Air Purifier 4 was incredibly easy. Once I had installed the Xiaomi Home app and followed the on-screen instructions, I was able to easily add the purifier to my system. The app provides a user-friendly interface where I could access various controls and settings. I could toggle the ionizer, adjust the fan speed, and monitor real-time statistics and parameters. The app also offered voice control compatibility with Google Assistant and Amazon Alexa, allowing me to operate the purifier with just my voice.

Final Verdict:

The Xiaomi Smart Air Purifier 4 is a great choice for anyone looking for an affordable and efficient air purifier. Its compact design and smart features make it a valuable addition to any home. Priced competitively at Rs 14,999, it is a great choice for small to medium-sized rooms.

Note:  Availability of the new filter for the Xiaomi Smart Air Purifier 4 is a consideration for those interested in this model. The official website does not yet offer this filter, so interested individuals should keep an eye out for updates.


  • Sleek and modern design
  • Effective 3-in-1 filtration system
  • Powerful and efficient air purification performance
  • Smart connectivity for remote control and monitoring


  • Filter availability
  • Limited color options

Disclaimer: I’m not usually one to write reviews, but I felt compelled to share my thoughts on the Xiaomi Smart Air Purifier 4 after using it for a while. I purchased this unit myself, and I have to say that I’m really happy with it. The air quality in my home has noticeably improved since I started using it. If you’re on the fence about buying one, I highly recommend giving it a try.

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