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Mijia by Xiaomi Air Purifier 4 Compact
Visit the Xiaomi guide★ 4.2Editorial guide rating · Reviewed 5 November 2026
About this item
- •230 m³/h CADR with a 400 sq ft coverage claim — nearly double the cheapest unit here.
- •A built-in PM2.5 sensor with automatic speed control, so it reacts to the air instead of running flat out.
- •20 dB in sleep mode and remote control through the Mi Home app.
- •The 400 sq ft figure assumes low pollution and a closed room. In heavy smog, treat it as a 250–300 sq ft purifier.
Key Specifications
- Specification 1
- 230 m³/h CADR
- Specification 2
- 400 sq ft
- Specification 3
- 3-stage filtration
- Specification 4
- PM2.5 sensor
- Specification 5
- app and voice control
- Specification 6
- 20 dB sleep mode
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Data source: our buying guide, checked 5 November 2026.
Why it made the list
- • 230 m³/h CADR with a 400 sq ft coverage claim — nearly double the cheapest unit here.
- • A built-in PM2.5 sensor with automatic speed control, so it reacts to the air instead of running flat out.
- • 20 dB in sleep mode and remote control through the Mi Home app.
Before you buy
The 400 sq ft figure assumes low pollution and a closed room. In heavy smog, treat it as a 250–300 sq ft purifier.
From our guide: Best Air Purifier Under ₹15000Popular home product comparisons
Prices shown are dated guide values and can change. SellMandi does not accept payment for a better ranking; comparisons are based on the criteria explained in our product selection policy.