Blueair Blue Pure 511i Max
Air Purifiers

Blue Pure 511i Max

Blueair

Released Jun 1, 2024 · Analysis updated Feb 13, 2026

Quiet air purifier with washable pre-filter and auto mode, effectively removing dust and pollen while being portable. The Blueair Blue Pure 511i Max scores 83/100 based on 7 expert reviews in the air purifiers category. Coverage includes reviews from Shopsavvy, Nytimes, Popularmechanics, and Icompare.

Critic Score

What's this?
83

based on 7 expert reviews

ShopsavvyNytimesPopularmechanicsIcompareIdealhome+2 more

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Pros

  • Quiet on lowest setting(5)
  • Washable pre-filter sleeves(3)
  • Effective for dust and pollen(3)
  • Has an auto mode(2)
  • Portable(2)

Cons

  • Relatively high annual costs(3)
  • Not effective for strong cooking odors(2)

7 Expert Reviews

86
Independent publication09/2024

The Blueair Blue Pure 511i Max receives a moderate score primarily due to its effective air filtration capabilities and quiet operation, making it suitable for various home environments.

85
Major publication01/2026

The Blueair Blue Pure 511 is a tiny, quiet, and energy-efficient air purifier that's a good choice for small spaces like dorm rooms, offices, or children's bedrooms.

85
Independent publication02/2026

For smaller rooms or office spaces, the smart Blueair 511i Max offers much of the same performance and features as larger, more capable models.

85
Independent publication06/2024

Blueair Blue Pure 511i Max is a very suitable device for those seeking effective air purification in small to medium spaces, with low noise and energy consumption.

82
Independent publication07/2025

The Blueair Blue Pure 511i Max is a stylish, lightweight air purifier that delivers great all-around performance for everyday use.

81
Major publication09/2025

The Blue Pure 311i Max is a great choice for large rooms, scoring quite well overall.

75
Independent publication08/2025

Both models are quiet, responsive, and well-designed, but the odor removal is weaker than expected and the filtration system isn't true HEPA.