The engine's answer
Best air purifier in a living room for smog and PM2.5
Xiaomi
Smart Air Purifier 4
98% match · ₹13,999
The best-value smart purifier — big CADR, tiny filter costs, great app.
The numbers that decided it
- Clean air delivery
- 400 m³/h
- Room coverage
- 48 m²
- Quietest setting
- 32 dB
- Filter
- HEPA H13
Why it wins
Xiaomi Smart Air Purifier 4 scores 98% for smog and PM2.5 in a living room. It is rated for 48 m² against roughly 35 m² of room, moves 400 m³/h of clean air through a HEPA H13 filter, runs at 32 dB on its lowest setting and lists at ₹13,999.
Replacement filters are among the cheapest in the pool, which adds up over the years.
What came close
- Xiaomi Smart Air Purifier 4 Pro98%Covers a large living room without breaking the bank. · ₹19,999
- Dyson Purifier Cool TP0788%Purifier and bladeless fan in one gorgeous machine. · ₹45,900
- Coway AirMega 150 Professional88%Whisper-quiet with a 7-year filter warranty — a sleeper hit for allergies. · ₹14,500
What the runners-up gave up
- Xiaomi Smart Air Purifier 4 Pro (98%) runs at 33 dB at its quietest, against 32 dB.
- Dyson Purifier Cool TP07 (88%) moves 310 m³/h of clean air against the winner's 400 m³/h.
- Coway AirMega 150 Professional (88%) moves 303 m³/h of clean air against the winner's 400 m³/h.
Questions people ask
- Is the Xiaomi Smart Air Purifier 4 big enough for a living room?
- Yes. It is rated for 48 m² and a living room is about 35 m², so it has 1.4× the headroom.
- How loud is it at night?
- 32 dB on its lowest setting — quiet enough for a normal sleeper.
- What does it cost to run?
- Replacement filters are among the cheapest in the pool, which adds up over the years.
Change an assumption
This page answers one household's question. Yours is not that question — run the quiz and the whole shortlist re-ranks around your room, your water and your budget.
Answer for your own home