Rank 4 of 4 air purifiers for open-plan spaces in our ranking.in our ranking
Score 2.3 out of 10
Owners’ ratings, 40%: none yet at the shops that deliver to the Netherlands, so this part is left out and the score is the features part alone.
Features, 60%: 2.3, 14 of the 60 points for the maker’s and the registers’ facts.
Price does not count, so a discount never lifts a model. Only air purifiers with a known CADR are ranked.
The highest score today is 8.7.
Is the Xiaomi Smart Air Purifier 4 Pro right for your home? Find out in 7 questions →
Beside it, two models on sale today that come closest to it on score and price, for the same room size where we have them.
Green is the best of these 3, also when they share the lead.
| This model Xiaomi Smart Air Purifier 4 Pro | Much better, not dearer Blueair Blue Signature Large Best on 3 facts | Higher score, 61% dearer Levoit EverestAir-P | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | € 249Xiaomi (brand store) | € 229bol.com best | € 403bol.com |
| Score | best | ||
| Rank | rank 4 of 4 for open-plan spaces | rank 1 of 4 for open-plan spaces | rank 2 of 4 for open-plan spaces |
| Customer rating | – | – | – |
| Room size | |||
| Room size same on all | open-plan spaces | open-plan spaces | open-plan spaces |
| Size, noise and age | |||
| Height lower is better | 68 cm | 43.7 cm best | – |
| On the market since | – | June 2025 | June 2023 |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
On 17 October 2026 the lowest price for the Xiaomi Smart Air Purifier 4 Pro is € 249 at Xiaomi (brand store), delivery to the Netherlands included. In our ranking it is rank 4 of 4 for open-plan spaces, with a score of 2.3 out of 10.
All prices include VAT and delivery to the Netherlands. We may earn a commission when you buy through these links. It never changes our ranking.
Xiaomi (brand store)white 
bol.comwhite * Shop abroad: delivery and VAT are our estimate. Returns are the shop's own terms, a marketplace seller sets its own. Tap a return term to read the shop's policy. Let your browser translate it.
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Running cost: Filters: about € 119 a year at today’s prices.
Consumables: The filter lasts about 6 months.
How much clean air the purifier delivers an hour, measured with smoke, dust and pollen. A higher figure cleans a bigger room or the same room faster.
The test the CADR comes from. AHAM AC-1 and the DOE test are independent and comparable. A maker's own test is not.
The room size where the purifier changes the air 4.8 times an hour under a 2.5 m ceiling, worked out from its CADR. We use it so every model is compared on the same rule.
The room size the maker states. Makers use different rules, so we show it but never rank on it.
How fine the filter is. True HEPA and H13 catch at least 99.97% of particles at 0.3 microns. HEPA-type is a weaker claim with no test behind it.
Whether the particle and carbon layers are one filter or separate ones. Separate filters let you replace only the part that is spent.
A filter of activated carbon that takes out smells and some gases. It does not catch particles.
How long the maker says a filter lasts, in months of normal use. A filter that is spent cleans less.
The sound level at the lowest speed, as the maker measures it.
The sound level at the highest speed, as the maker measures it.
The power the purifier draws at its highest speed.
What the purifier measures in the air. A particle sensor lets it speed up and slow down by itself.
The fan speed follows the air quality the sensor reads.
Which voice assistants the robot works with, such as Google Assistant or Alexa.
How tall the purifier is. It decides whether it fits on a shelf or under a window sill.
What the purifier weighs. It counts most if you move it from room to room.
Sources: mi.com
Confidence: medium. A CADR the maker states itself, or fewer than 300 owners’ ratings. The highest score today is 8.7.
Owners’ ratings 40%–
Owners’ ratings, 40%: none yet at the shops that deliver to the Netherlands, so this part is left out and the score is the features part alone.
Features 60%2.3
14 of 60 points for the maker’s and the registers’ facts.
The Xiaomi Smart Air Purifier 4 Pro is sized for a room of about 42 m², the room size we compare it on. Its clean air delivery rate (CADR) is 500 m³/h, measured to GB/T 18801 (Chinese standard).
The maker gives the filter a life of 6 months.
The maker states 33.7 dB at the lowest speed and 65 dB at the highest.
