#1
Blueair
Blue Pure 511i Max
10 positive 0 neutral 4 negative
Based on 14 Reddit mentions
$139.00
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Sentiment summary across the product areas Reddit users mention most.
Reddit mentions
Original Reddit posts and comments behind this analysis.
Is the consensus Coway Air Purifiers?
I just bought a blueair 511i Max because it's supposed to be the quietest and I'm underwhelmed. I bought it for a small living room to keep the air fresh and it seems to create a dusty odor instead? There's also an audible machine whir even on the lowest setting. I'm considering sending it back and
...Creative-Sky237 in r/AirPurifiers
February 17, 2026 4:57 PM
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
