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    Home & CleaningAir PurifiersBlueair Blue Pure 211+ Auto
    #9 of 9
    Blueair Blue Pure 211+ Auto

    Key Specs

    Brand

    Model

    ASIN

    Filtration Technology

    Blueair

    Blueair Blue Pure 211+ Auto

    #9 of 9 air purifiers tested

    No sponsored placements·By Renée Torres
    5.2R3 Score / 10
    There are better options - here's why.
    No sponsored placements· By Renée Torres
    Safety

    The bottom line

    What the product listing won't tell you

    Know before you buy

    The Blueair 211+ Auto is a best-in-class particle filter — but its carbon filtration is essentially non-functional, and the plastic housing is uncharacterized. It's a great allergen purifier that falls short on the chemical side.

    Buy it if
    • Your primary concern is allergens, dust, pet dander, or smoke in a 400–530 sq ft room

    Blueair Blue Pure 211+ Auto

    Blueair

    Blueair Blue Pure 211+ Auto

    $339
    See if it passed our safety test for freeBuy
    Blueair Blue Pure 211+ Auto

    Blueair

    Blueair Blue Pure 211+ Auto

    $339Buy on Amazon
    Efficacy
    Usability
    Unlock safety scores for free

    $339.00

    Buy on Amazon

    We may earn a commission. It doesn't affect our scores.

  1. You want the quietest auto-mode purifier available at this price

  2. You're buying specifically for particle filtration and understand the VOC limitation

  3. You want a CARB-certified unit with strong AHAM-verified CADR

  4. Skip if
    • You need VOC, formaldehyde, or chemical protection — the carbon mesh won't help

    • You're trying to minimize household off-gassing — unspecified plastic housing

    • Filter running costs matter to you — $140/year adds up quickly

    What's inside

    Specs the product listing doesn't explain

    Usability

    Ease of use, maintenance, and longevity

    BrandModelASINFiltration TechnologyCARB CertifiedCADR — SmokeCoverage AreaHEPA GradeCarbon Filter TypeNoise (Sleep Mode)Annual Filter CostRetail Price

    See exactly what's in this air purifier

    Free account unlocks full material breakdown, safety test results, and spec details.

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    How we scored it

    3 criteria - open any layer to see exactly what we found

    Safety

    Efficacy

    Usability

    SafetyCritical
    ▾

    The scoring rationale is locked

    Free account unlocks exactly why this product scored the way it did.

    See the full scoring for free

    Criteria

    Where to buy

    Verified retailer - current pricing

    Starting price

    $339

    R3 approved retailer Score unaffected by purchase
    Buy on Amazon

    We earn a small commission on purchases. It never influences our scores - R3 is funded by readers, not brands.

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    #9 of 9 air purifiers reviewed

    Did the Blueair Blue Pure 211+ Auto pass our safety screen?

    Free account unlocks the full verdict, pillar scores, spec values, and which other air purifiers made our list.

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    Filtration Technology
    CARB Certified
    Ionizer Can Be Turned Off
    Housing Material
    Carbon Filter Quality
    Carbon Filter Capacity
    EfficacyImportant
    ▾

    The scoring rationale is locked

    Free account unlocks exactly why this product scored the way it did.

    See the full scoring for free

    Criteria

    HEPA Filter GradeAir Cleaning PowerTrue Room Coverage
    UsabilityNice to have
    ▾

    The scoring rationale is locked

    Free account unlocks exactly why this product scored the way it did.

    See the full scoring for free

    Criteria

    Noise at Sleep SettingAnnual Filter Cost
    R3 (Research, Reviews, Recommendations)

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