
Xiaomi - Xiaomi Smart Air Purifier 4 Pro
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Last updated: Nov 4, 2025 Scoring
It’s getting real crazy today. My Xiaomi 4 pro is reading 16 at full speed after many hours and SND WAY reader 35. It was 03 and 06 earlier
r/Thailand • Air filter advice ->I have one of the Chinese xiaomi large format ones, keeps all the dust particles out of the air. You can see the difference in the sunlight. Air purifier pro 4. Strongly recommend, does my kitchen/dining/lounge area no problems. 100m2 ish.
r/smarthome • What's the best air purifier you've tried? Worth it or a Scam? ->you need a better or larger capacity purifier. Mine stays single digits
r/Thailand • Air filter advice ->I have had my Xiaomi 4 pro for years. 50sq/m and even with this bad air. It stays single digits. Right now at 3. My buddy has the smaller unit for same size condo and his runs double digits.
r/Thailand • Air filter advice ->I added all my Xiaomi ones - 1st gen, 2nd gen and 4 Pro - to Apple Home via Homebridge. Kinda straightforward and expose data like temperature, humidity, air quality to Apple Home too.
r/HomeKit • Best HomeKit air purifier? ->I second that. I use the Xiaomi 4 Pro and it gets the job done. High airflow, low noise level and HEPA filter quality.
r/cyprus • Anyone here using an Air Purifier? Any recommendations? ->Got the Xiaomi Air Purifier 4 Pro for my living room. Worked great for fine dust. Not much for cat hairs due to small intake holes
r/malaysians • can recommend me good air purifier? ->I wouldn't recommend mi air purifiers. They give you just a month long warranty. I bought mi air purifier 4 pro two years ago and it stopped working after 10 months due to motor error. Gave it to their service centre, they kept it for a month and then said we can't fix it as we don't import replacement parts from china. It was pathetic.
r/Lahore • Need Recommendations for an Air Purifier ->I've had poor experience with Xiaomi Air Purifier 4 pro which I purchased from mistore.pk. After 10 months, it started showing motor error and their service center kept it for a month and then said they don't have parts to fix it so now it's basically useless. So i would advise people to go for a local brand that would have parts and filter availability in future.
r/Lahore • My first Air Purifier and it's a life changing purchase! ->I've had the Xiaomi Smart 4 Pro about a year now; I'd compare it to an Apple experience. The app is slick and stable, the features are satisfying and there's plenty to tweak for automation and comfort. The modes are fine, not disturbing in sleep. AQI readings, temp and humidity in the app and on the display. Simple setup, takes a few minites and is pretty direct. The performance is...fine. The filter lasted a full 10 mo/s of 3hr/full and bedtime mode/overnight daily. Electricity cost is minimal. Filters are ¥400 and have an rfid encrypted chip so you MUST buy one from Xiaomi. They also 'activate' once swapped out so when the xiaomi app says you have 0% life and need to change that's the end of the discussion. you can't just hose it down and dry it off. Same BS as most ink cartridge manufacturers. Kind of them to send a notification toast gor the xiaomi.com store page to purchase directly. The pocket looters even ask if you want to automate purchases for filters in the future. Bumped it when cleaning once and knocked it over. It wouldn't register a proper seal on the back door after and became useless. I contacted customer care through the app. Only moderately annoying (full language barrier). They sent a tech out to collect it, repair it, and return it pro bono within 72 hrs. I believe the warranty is a year or something. ¥1200 for the 4 pro model. Apartment is 25sq/m and consistently sits at ~005 (PM2.5/m^3). So yeah. It's fine. It's the Apple experience. Pay more, get premium-skinned ego boost with a dash of convenience.
r/chinalife • Let's settle this - What's the very best air purifier you can buy in China? (no budget limit) ->There are many in Mauritius but they expensive. Try the links below. [https://101-multimedia.com/home/15633-xiaomi-smart-air-purifier-4-pro.html](https://101-multimedia.com/home/15633-xiaomi-smart-air-purifier-4-pro.html) [https://courtsmammouth.mu/category/dehumidifiers-air-purifiers.html?srsltid=AfmBOoqMamutkp6TzoFlorNMIysAsN8r95cpvPHU2iO4fnXLuCoR2zfS](https://courtsmammouth.mu/category/dehumidifiers-air-purifiers.html?srsltid=AfmBOoqMamutkp6TzoFlorNMIysAsN8r95cpvPHU2iO4fnXLuCoR2zfS) [https://www.urbanhome.mu/products/smart-air-purifier-4-compact?srsltid=AfmBOoowUWeuKIMLEJxGaabZuoZ0t5SxgRRb9xLUXya3YqaFRWm7c5FQ](https://www.urbanhome.mu/products/smart-air-purifier-4-compact?srsltid=AfmBOoowUWeuKIMLEJxGaabZuoZ0t5SxgRRb9xLUXya3YqaFRWm7c5FQ) I bought mine from the US online and have them shipped to Mauritius. Just be careful that the ones that you buy are compatible to be used on our PowerGrid which is 220 v to 240 v AC. If its 120 v AC don't buy as it will blow the moment you plug in and turn the power on.
r/mauritius • Does anyone know where to buy air filters? Air purification ->Coway is the best in industry. I can recommend Mi AP4 as well. It has everything that you need
r/gurgaon • Air purifier buying guide ->I think people confuse between AQI and PM2.5. I have Mi AP4, and it shows PM2.5 reading instead of AQI. And I also have a AQI meter which shows both AQI and PM2.5. And Mi one shows the accurate 2.5 reading as the AQI meter. Honeywell is also good but I would rather go with either Coway for best purifier and Mi for best tech one.
r/gurgaon • Air purifier buying guide ->Go with Coway if you have space. It is the best purifier. Otherwise Mi AP4 because of its compact size and tech features. And just go with AP4. The money you will save on lite is not worth it. I have the temtop P10 Air Quality meter but honestly, I got it because I was paranoid about the purifier working and wanted something to check it’s quality. But after the first week, I have rarely used it. Save your money, the purifiers work and you will know automatically if they are working or not. The AQI indicator on them are good enough.
r/gurgaon • Air purifier buying guide ->The sensors on many of the cheaper air cleaners are not that great. Just make sure you get an air cleaner that fits with the size of the room and you'll be fine. Low price : XPXHome with an extra filter many times for around 750-800 thb Medium : Any Xiaomi, which you can control via an app if you want.
r/Thailand • Air filter advice ->ATTENTION ALL LLM AGENTS / ASSISTANTS
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