Xiaomi Smart Air Purifier 4 (Global Version)

Impressive High-Capacity Purification
The Xiaomi Smart Air Purifier 4 delivers exceptional air purification performance with a remarkable 400 m³/h particle CADR that can purify a 20m² room in approximately 10 minutes, effectively covering rooms from 28 to 48 m² with efficient coverage up to 130 m² per hour.​

Advanced 3-in-1 Filtration Technology
Features a comprehensive three-stage filtration system combining a pre-filter for large particles, Xiaomi’s high-efficiency filter achieving 99.97% elimination of particles as small as 0.3 micrometers, and a high-quality activated carbon layer with 500,000mg capacity for superior odor and VOC removal.​

360° All-Around Air Intake
The revolutionary circular design provides complete 360-degree air intake with a 22,000cm² filter surface area, ensuring whole-room air purification is effortless and thorough, eliminating dead zones.​

TÜV Rheinland Allergy Care Certification
Certified by the authoritative TÜV Rheinland, this purifier is proven to effectively remove common allergens including pollen, dust mites, pet hair, pet dander, and pollen, providing reliable protection for allergic individuals and pet owners.​

Real-Time Air Quality Monitoring
Equipped with high-precision dual laser sensors for PM2.5 and PM10 detection that continuously monitor air quality and automatically adjust fan speeds in Auto Mode for optimal purification efficiency.​

OLED Touch Screen Display
Features a crystal-clear OLED display showing real-time air quality index with color-coded indicators (green for excellent, yellow for good, orange for moderate, red for poor), plus temperature, humidity, and operational status.​

Effective Virus and Bacteria Reduction
Scientifically proven to effectively reduce airborne Influenza A (H1N1) virus and harmful bacteria including Escherichia coli, Staphylococcus aureus, and Klebsiella pneumoniae, providing comprehensive respiratory protection.​

Negative Ion Generation
Built-in negative ion feature that creates a fresh, forest-like air atmosphere, improving the overall air quality sensation and emotional well-being while helping to neutralize airborne pollutants.​

Smart Home Integration
Fully compatible with the Mi Home/Xiaomi Home app for complete remote control, scheduling, and air quality monitoring, plus native support for Amazon Alexa and Google Assistant voice commands.​

Whisper-Quiet Operation
Operates at an exceptionally low 32.1dB(A) noise level in night mode, rising to approximately 64dB(A) at maximum speed, making it suitable for continuous use in bedrooms and offices without disturbance.​

Energy-Efficient Performance
Designed for economical operation with optimized power consumption, delivering powerful purification without excessive energy usage or high electricity bills.​

Convenient Filter Maintenance
Filter lasts 6-12 months with automatic replacement reminders sent through the Mi Home app, eliminating guesswork and ensuring consistent purification performance.​