Blueair
Blue 511i Max Smart WiFi Air Purifier
A solid mid-range air purifier for a busy household, leading with 43 m².
58/100
43 m²HEPAAlexaGrey and White
£149best price at Amazon
In stock at 1 retailer
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Why we rate it
- True HEPA
- Activated carbon filter
- Removes PM2.5
- Below-average coverage
Score profile
Scored against the air purifiers classWhere the Blue 511i Max Smart WiFi Air Purifier wins and loses
Full specification
Grouped · supported features marked in blueSpecifications
Coverage
Coverage43
Filtration
HEPA gradeHEPA
True HEPAYes
Activated carbon filterYes
Removes PM2.5Yes
Noise
Min noise19
Max noise48
Sleep modeYes
Features
Auto modeYes
Air quality sensorYes
App controlYes
Voice assistantAlexa
Design and power
Weight2.3 kg
ColourGrey and White
More specs
HepaYes
Noise db19
Smart appYes
Room size m243
Watch it in action
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Head to head
Highlighted cell = better in that rowBlue 511i Max Smart WiFi Air Purifier vs Levoit Core 300S Smart HEPA Air Purifier
Blue 511i Max Smart WiFi Air PurifierCore 300S Smart HEPA Air Purifier
| BlueairBlue 511i Max Smart WiFi Air PurifierThis page | LevoitCore 300S Smart HEPA Air Purifier | |
|---|---|---|
| Overall score | 58 /100 | 59 /100Better |
| Coverage m2 | 43 | 108Better |
| Cadr smoke | — | 258 |
| Hepa grade | HEPA | HEPA |
Who it's for
Is the Blue 511i Max Smart WiFi Air Purifier right for you?
Buy it if
Buyers on a budget
Anyone who needs a dependable air purifier for the essentials without overspending.
Skip it if
Skip it if
You need the highest-end performance, in which case a higher-tier air purifier is the better call.
Daily user
Runs it most days and wants it to just work.
good
Busy household
Needs capacity and speed for a full home.
good
Budget buyer
Wants the essentials done well for less.
excellent
Common questions
Before you buy
Is the Blue 511i Max Smart WiFi Air Purifier worth it?
It depends on what you need. It scores 58/100 against other air purifiers, a solid mid-range result where the class average is around 53.
What stands out on the Blue 511i Max Smart WiFi Air Purifier?
Its true hepa stands out, a genuinely useful feature if your setup calls for it.
How does it compare to the Core 300S Smart HEPA Air Purifier?
The Core 300S Smart HEPA Air Purifier scores 59/100 versus this one at 58/100, so it is the step up on the spec sheet.
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