Air Purifiers · Head to head

Blueair Blue Pure 211i Max vs Blueair Blue Pure 311i Max

Full Smart Air Purifiers comparison in 2026

Data from Amazon and official Blueair site.
2026 verdict
In 2026, the recommendation leans toward Blueair Blue Pure 311i Max over Blueair Blue Pure 211i Max, driven by price. Its strongest advantages show up in price, with its broader overall balance helping widen the gap. Choose Blueair Blue Pure 211i Max only if its specific feature mix matters more to you than the broader advantage from Blueair Blue Pure 311i Max. That is why Blueair Blue Pure 311i Max wins the verdict here.
vs
FeatureBlueair Blue Pure 211i MaxBlueair Blue Pure 311i MaxWinner
Price$349.00$229.00Blueair Blue Pure 311i Max
Rating4.54.5Tie
Warranty1 year1 yearTie
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
IntegrationsGoogle Home, AlexaGoogle Home, AlexaTie
FiltrationHEPA Filter, Activated Carbon Filter, Washable Pre-FilterHEPA Filter, Activated Carbon Filter, Washable Pre-FilterTie
SensorsPM1, PM2.5, PM10PM1, PM2.5, PM10Tie
AHAM VerifideYESYESTie
Auto ModeYESYESTie

Frequently Asked Questions

Which is better overall: Blueair Blue Pure 211i Max or Blueair Blue Pure 311i Max?

Blueair Blue Pure 311i Max has the stronger overall profile in this comparison, especially for price.

What is the biggest difference between Blueair Blue Pure 211i Max and Blueair Blue Pure 311i Max?

Price is one of the clearest differences: Blueair Blue Pure 211i Max lists $349.00, while Blueair Blue Pure 311i Max lists $229.00.

Which one looks better on price?

Blueair Blue Pure 211i Max is listed at $349.00, while Blueair Blue Pure 311i Max is listed at $229.00. Blueair Blue Pure 311i Max (better spec).

Who should buy Blueair Blue Pure 211i Max?

Choose Blueair Blue Pure 211i Max if your priority is its specific strengths and that matters more than price.

Who should buy Blueair Blue Pure 311i Max?

Choose Blueair Blue Pure 311i Max if your priority is price and that matters more than the competing advantages.

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