Blueair Blue Pure 511i Max vs Levoit Core 300

The Blueair Blue Pure 511i Max rates 3.9 among medium rooms air purifiers; the Levoit Core 300 rates 3.1 among small rooms ones. The Levoit Core 300 costs $23 less ($89.99 vs $112.99).

Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.

Scores side by side

These two sit in different room size classes (medium rooms and small rooms), and each is scored against the reference points for its own class, so a rating says how well each does among its own room size peers. How we rank explains each factor.

Specifications

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