Air Purifiers · Head to head

Blueair Blue Pure 311i Max vs Dyson Purifier Big+Quiet Formaldehyde BP03

Full Smart Air Purifiers comparison in 2026

Updated August 2026
Data from Amazon and official Blueair and Dyson sites.
2026 verdict
Blueair Blue Pure 311i Max wins the 2026 matchup against Dyson Purifier Big+Quiet Formaldehyde BP03, mainly on price, rating, and filtration. Its strongest advantages show up in price, rating, and filtration, with AHAM verifide helping widen the gap. The only strong reason to choose Dyson Purifier Big+Quiet Formaldehyde BP03 is if warranty and sensors are more important to you than the overall verdict. For most setups, Blueair Blue Pure 311i Max is the smarter buy.
vs
FeatureBlueair Blue Pure 311i MaxDyson Purifier Big+Quiet Formaldehyde BP03Winner
Price$229.00$900.00Blueair Blue Pure 311i Max
Rating4.54.4Blueair Blue Pure 311i Max
Warranty1 year2 yearsDyson Purifier Big+Quiet Formaldehyde BP03
FiltrationHEPA Filter, Activated Carbon Filter, Washable Pre-FilterHEPA Filter, Activated Carbon FilterBlueair Blue Pure 311i Max
SensorsPM1, PM2.5, PM10PM2.5, TVOC, CO2, FormaldehydeDyson Purifier Big+Quiet Formaldehyde BP03
AHAM VerifideYESNOBlueair Blue Pure 311i Max
Connectivity2.4 GHz WiFi2.4 GHz WiFiTie
IntegrationsGoogle Home, AlexaGoogle Home, AlexaTie
Auto ModeYESYESTie
Winner
Blueair

Blueair Blue Pure 311i Max

$229.00
Buy on Amazon USA
  • + Price: $229.00
  • + Rating: 4.5
  • + Filtration: HEPA Filter, Activated Carbon Filter, Washable Pre-Filter
  • - Warranty: 1 year vs 2 years
  • - Sensors: PM1, PM2.5, PM10 vs PM2.5, TVOC, CO2, Formaldehyde

Frequently Asked Questions

Which is better overall: Blueair Blue Pure 311i Max or Dyson Purifier Big+Quiet Formaldehyde BP03?

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

What is the biggest difference between Blueair Blue Pure 311i Max and Dyson Purifier Big+Quiet Formaldehyde BP03?

Price is one of the clearest differences: Blueair Blue Pure 311i Max lists $229.00, while Dyson Purifier Big+Quiet Formaldehyde BP03 lists $900.00.

Which one looks better on price?

Blueair Blue Pure 311i Max is listed at $229.00, while Dyson Purifier Big+Quiet Formaldehyde BP03 is listed at $900.00. Blueair Blue Pure 311i Max (better spec).

Who should buy Blueair Blue Pure 311i Max?

Choose Blueair Blue Pure 311i Max if your priority is price and rating and that matters more than warranty.

Who should buy Dyson Purifier Big+Quiet Formaldehyde BP03?

Choose Dyson Purifier Big+Quiet Formaldehyde BP03 if your priority is warranty and sensors and that matters more than price.

More Air Purifiers

Top Air Purifiers to compare next

Compare smart air purifiers by CADR, coverage area, HEPA filtration, air quality sensors, noise level, integrations and auto mode.

Compare Air Purifiers
Blueair

More Blueair products

A sharper look at other Blueair products worth comparing.

Explore Blueair
Dyson

More Dyson products

A sharper look at other Dyson products worth comparing.

Explore Dyson
Stay in the loop

Smart Home Deals & News straight to your inbox

Join the newsletter and get the best smart home deals and new releases in your inbox.

Your subscription could not be saved. Please try again.
Your subscription has been successful.

Smart Home Deals & News straight to your inbox

Join the newsletter and get the best smart home deals and new releases in your inbox.

Independent · Not sponsoredBrands never pay for placement or rankings. Affiliate commissions never influence our comparisons.
© 2026 Smart Home Compared
Search