#1
Blueair
Blue Pure 511i Max
10 positive 0 neutral 4 negative
Based on 14 Reddit mentions
$139.00
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Reddit mentions
Original Reddit posts and comments behind this analysis.
Levoit Core 200s vs 300 vs 300s for 20m2 bedroom with the priority for silence, Europe (PL).
One more thing: you say you want Levoit, but if noise is the most importantly thing you should look into the Blueair 511i Max. They “ionize” dust particles so they stick to the filter, and that allows them to run the fan at lower speeds while keeping similar pm2.5 filtration capabilities.
mjsarfatti in r/AirPurifiers
November 30, 2025 11:22 AM
1
Bought the 511i Max. Waste of money?
The sensors onboard almost all consumer-grade air purifiers are very cheap and inaccurate. For example, a good consumer-grade AQI monitor like the AirGradient ONE is approximately $230 USD or £173 (I'm just converting currency on my end; stockists in the UK may have higher prices). Outdoor AQI can c
...sissasassafrastic in r/AirPurifiers
October 13, 2025 3:41 PM
1
