Air purifier Xiaomi Smart Air Purifier 4 Pro — 500 m³/h, HEPA 3-stage, for up to 60 m², ionizer, PM2.5/PM10 sensors

The Air Purifier Xiaomi Smart Air Purifier 4 Pro provides whole-room purification with a CADR of up to 500 m³/h and a clean-air output of 8,330 L per minute. Designed for rooms approximately 35–60 m² and rated at 50 W, the unit removes a wide range of airborne pollutants and allergens using a three-in-one filtration system and intelligent sensing to monitor indoor air quality in real time.

Advantages

The purifier combines a primary pre-filter, Xiaomi's High Efficiency Filter and high-quality activated carbon to capture particles down to 0.1 μm and remove odors. Real-time PM2.5/PM10 monitoring and automatic Auto Mode adjust fan speed for targeted purification. A long-life filter lasts approximately 6–12 months, Night Mode reduces noise to 33.7 dB(A) and the device supports remote control via the Mi Home/Xiaomi Home app. The removable top grille allows internal cleaning to prevent secondary pollution.

Suitable for

• Living rooms and bedrooms (35–60 m²)
• Homes with pets to reduce dander
• Allergy-prone households to lower pollen and dust levels
• Urban apartments with smoke and fine particle pollution

Key specifications

• Brand: Xiaomi
• Model: Smart Air Purifier 4 Pro
• CADR: up to 500 m³/h
• Clean air output: 8,330 L/min
• Power: 50 W
• Coverage: approx. 35–60 m²
• Filtration: three-in-one (pre-filter, High Efficiency Filter, activated carbon)
• Particle removal: 99.97% at 0.3 μm; up to 99.99% at 0.1 μm
• Noise (Night Mode): 33.7 dB(A)
• Weight: 6.8 kg
• Colour: White
• MPN: 33664
• EAN: 6934177743665

How to use

Place the purifier on a flat, stable surface with at least several decimetres of clearance around the air inlet and outlet. Install the three-in-one filter following the user manual, power on the unit and select Auto Mode for automatic adjustment according to real-time PM2.5/PM10 readings. Use the touch controls to change modes or the Mi Home/Xiaomi Home app to start or schedule purification remotely. For sleep periods switch to Night Mode to lower display luminance and fan noise.

Recommendations

Replace the filter every 6–12 months depending on air quality and operating hours; clean the removable top grille and internal fan area periodically to avoid secondary pollution. Keep doors and windows closed during heavy purification cycles for maximum efficiency, and place the unit centrally in the room for better air circulation.