Xiaomi Smart Air Purifier 4 Pro

Breathe cleaner, smarter air with the Xiaomi Smart Air Purifier 4 Pro. Engineered for large rooms, it delivers high-performance air purification through a three-stage filtration system consisting of a primary pre-filter, a true HEPA filter, and an activated carbon filter. The purifier is designed for quiet operation and a compact, minimalist footprint that fits residential and office spaces alike. It provides real-time air-quality monitoring via an integrated laser particle sensor, shown on an OLED touchscreen together with temperature, humidity, and filter life information. Intelligent Auto Mode automatically adjusts fan speed based on detected air quality, while a dedicated Night Mode ensures undisturbed sleep. Smart connectivity via the Mi Home app allows remote control, scheduling, and alerts, with a smart filter reminder. The device also features negative air ionization and odor elimination through high-quality activated carbon, offering a cohesive solution for reducing particulate matter, allergens, and odors.

Features

• Three-stage filtration: pre-filter, HEPA, activated carbon
• Covers 48m² with 32.1 dB Night Mode
• Mi Home app control and remote scheduling
• OLED display with PM2.5/PM10, temp, humidity, filter life
• Intelligent Auto Mode adjusts fan speed
• Negative ionization for purification

Technical specifications

• Weight: 14.99 pounds
• Filtration efficiency: 99.97% of 0.3 µm particles
• Odour removal with activated carbon
• One filter life up to one year; app reminder
• Coverage: 48m²
• Noise level: 32.1 dB with Night Mode