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Xiaomi Mi Air Purifier 3: 380 m³/h CADR Triple-Stage Filtration Engineering for 484 Sq.Ft. Environments
The Xiaomi Mi Air Purifier 3 features a Clean Air Delivery Rate (CADR) of 380 m³/hr for rapid atmosphere turnover. Its integrated 3-stage filtration system utilizes a HEPA layer to sequester 99.97% of particles as small as 0.3 microns. Engineered for optimal performance in spaces up to 484 sq.ft., it employs a 360-degree air intake for uniform suction. The unit operates at an acoustic range of 32 dB to 64 dB, providing high-efficiency filtration without excessive noise pollution.
Quick Answer
The Xiaomi Mi Air Purifier 3 is recommended for rooms up to 484 sq.ft. requiring a high CADR of 380 m³/hr and medical-grade 99.97% HEPA filtration for 0.3-micron particles.
✓High-performance 380 m³/hr Clean Air Delivery Rate (CADR)
✓Triple-stage H13 HEPA filter with 99.97% particulate capture
✓Effective coverage area up to 484 sq.ft. for residential and office use
✓High-precision PM2.5 laser sensor for real-time air quality monitoring
✓Wide acoustic spectrum ranging from 32 dB to 64 dB operational noise
The Xiaomi Mi Air Purifier 3 is a robust choice for users needing 380 m³/hr CADR performance and verified 99.97% HEPA efficiency in medium-sized rooms.
✓ Who Should Buy
- •Users requiring PM2.5 protection in 484 sq.ft. rooms
- •Allergy sufferers seeking 99.97% filtration efficiency
- •Smart home enthusiasts wanting integrated PM2.5 monitoring
✕ Who Should Avoid
- •Industrial users requiring coverage for areas significantly larger than 484 sq.ft.
- •Environments requiring ultra-silent operation above the 32 dB sleep mode
Product Overview
The Xiaomi Mi Air Purifier 3 is a high-density air treatment system designed with a 380 m³/hr CADR rating to service areas up to 484 sq.ft. It employs a sophisticated 3-stage filtration architecture, incorporating a primary pre-filter, a high-efficiency HEPA filter capturing 99.97% of 0.3-micron contaminants, and an activated carbon layer for VOC adsorption. The 360-degree intake geometry ensures maximum airflow through the filtration media, while the internal PM2.5 laser sensor provides continuous diagnostic data. Operational sound levels are maintained between 32 dB and 64 dB, allowing for customizable performance based on ambient conditions. This unit is specifically calibrated for PM2.5 reduction in urban environments where particle concentrations exceed safety limits.
| Brand | xiaomi |
| Model Name | Mi Air Purifier 3 |
| Model Number | AC-M6-SC |
| Category | Air Purifier |
| Sub Category | Room Air Purifier |
| Purifier Type | HEPA + Activated Carbon |
| Installation Type | Floor Standing |
| Coverage Area Sqft | 484 |
| Room Size | Medium-Large |
| Usage | Home |
| Launch Year | 2020 |
| Model Year | 2020 |
| Country Of Origin | China |
| Manufacturer | Xiaomi Corporation |
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Engineering Analysis
The aerodynamic architecture of the Xiaomi Mi Air Purifier 3 is centered on a centrifugal fan assembly that drives a 380 m³/hr CADR through a 360-degree intake manifold. By leveraging a 3-stage filtration stack, the system achieves a 99.97% efficiency rating for particulates at the 0.3-micron threshold. The engineering physics of the 484 sq.ft. coverage area relies on the pressure differential created by the high-velocity fan, which overcomes the static resistance of the dense HEPA media. The manual speed control logic is a critical design feature, allowing users to bypass the automated PM2.5 sensor-driven adjustments to maintain a constant 380 m³/hr flow rate in high-load scenarios. The transition from a 32 dB noise floor to a 64 dB peak reflects the energy-intensive process required to move large volumes of air through a 3-stage barrier system. This filtration density is coupled with an activated carbon stage to ensure chemical adsorption alongside mechanical particle capture. Within its 484 sq.ft. specification, the unit manages air exchange cycles effectively, ensuring that the 99.97% filtration benchmark is consistently met despite varying particulate concentrations.
Technical Support & FAQs
Engineering Analysis
The aerodynamic architecture of the Xiaomi Mi Air Purifier 3 is centered on a centrifugal fan assembly that drives a 380 m³/hr CADR through a 360-degree intake manifold. By leveraging a 3-stage filtration stack, the system achieves a 99.97% efficiency rating for particulates at the 0.3-micron threshold. The engineering physics of the 484 sq.ft. coverage area relies on the pressure differential created by the high-velocity fan, which overcomes the static resistance of the dense HEPA media. The manual speed control logic is a critical design feature, allowing users to bypass the automated PM2.5 sensor-driven adjustments to maintain a constant 380 m³/hr flow rate in high-load scenarios. The transition from a 32 dB noise floor to a 64 dB peak reflects the energy-intensive process required to move large volumes of air through a 3-stage barrier system. This filtration density is coupled with an activated carbon stage to ensure chemical adsorption alongside mechanical particle capture. Within its 484 sq.ft. specification, the unit manages air exchange cycles effectively, ensuring that the 99.97% filtration benchmark is consistently met despite varying particulate concentrations.