Blueair Blue Pure 311i Max
A compact, quiet Swedish purifier with HEPASilent tech and smart auto for medium rooms.
At a glance
Pros
- + Compact and lightweight
- + Very quiet HEPASilent operation
- + Smart app with PM sensor and auto mode
- + Energy efficient
Cons
- − Pre-filter and main filter combined add up
- − Modest coverage for big rooms
Our verdict
The Blue Pure 311i Max packs strong, quiet filtration into a small footprint with smart auto control. It's a great fit for bedrooms and medium living rooms.
Full specs
| CADR | 250 CFM |
|---|---|
| Coverage | 35 m² |
| Noise (low) | 23 dB |
| Noise (high) | 51 dB |
| True HEPA | Yes |
| Activated carbon | Yes |
| Smart app | Yes |
| Voice control | Yes |
| Filter cost / yr | 60 USD |
| Dimensions | 25 × 25 × 42 cm |
| Weight | 3.5 kg |
Compare to similar models
Other air purifiers that match Blueair Blue Pure 311i Max's strengths.
Levoit Core 600S
A large-room workhorse that scrubs big spaces fast while staying quiet and app-smart.
Blueair Blue Pure 211i Max
A high-CADR HEPASilent purifier that clears large rooms fast while staying impressively quiet.
Coway AP-1512HH
The cult-favorite Mighty: a compact true-HEPA purifier with eco mode and stellar value.
Get one weekly pick
New deals, real-world testing notes, and the occasional teardown. No spam.
Wire NEWSLETTER.formAction in src/config.ts to enable submissions.
As an Amazon Associate HomeGodmother earns from qualifying purchases.