Our Verdict
BLUEAIR Blue Pure 211i Max Wins

It offers superior CADR (406.4 vs 391.0), larger coverage (635 sq ft vs 606 sq ft), and quieter operation (23 dB vs 26 dB min). Choose Levoit for a slightly lower price point with comparable, though slightly less, performance.
Bottom Line: BLUEAIR Blue Pure 211i Max is the better choice. It offers superior CADR (406.
Key Differences
The most significant spec differences at a glance
Cadr Smoke
4% moreCoverage Sq Ft
5% moreNoise Level Db Min
12% lessAdvantages
Where each product wins
BLUEAIR
- Cadr Smoke: 4% higher (406.4 vs 391.0)
- Coverage Sq Ft: 5% higher (635 vs 606.0)
LEVOIT
- Noise Level Db Min: 12% higher (23 vs 26.0)
Who Should Buy Which?
Find the right product for your needs
Buy BLUEAIR if...
BLUEAIR Air Purifiers for
The ideal buyer for the BLUEAIR Blue Pure 211i Max prioritizes top-tier performance and minimal noise in very large spaces. If you need the absolute quietest operation for a bedroom (23 dB min) while still demanding extensive coverage (635 sq ft, 3048 sq ft/hr) and superior smoke CADR (406.4), this model is for you. It's perfect for those with allergies or pets in open-concept homes who don't mind a slightly higher upfront cost for peak efficiency and an Energy Star Most Efficient 2023 certification.
Buy LEVOIT if...
LEVOIT Air Purifiers for
The LEVOIT Core 600S-P is best for buyers seeking excellent air purification for large rooms at a more budget-friendly price without significant compromise. If you need broad coverage (606 sq ft, 2933 sq ft/hr) and robust particle removal (True HEPA, 0.1 microns) with smart features like Wi-Fi and Alexa control, Levoit is a strong contender. It suits homeowners who appreciate AHAM verified performance and quiet sleep mode (26 dB min) but are also mindful of cost, accepting slightly less extreme specs for a good value.
Spec Comparison
9 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $320 | $300 |
| Rating | 4.5(12.5k) | 4.7(23.2k) |
| Cadr Smoke | 406.4 | 391 |
| Coverage Sq Ft | 635 | 606 |
| Noise Level db Min | 23 dB | 26 dB |
| Energy Star | Yes | Yes |
| Filter Type | True HEPA | True HEPA |
| Smart Sensor | Yes | Yes |
| WiFi | Yes | Yes |
| Filter Life Months | 6 | — |
| Noise Level db Max | 53 dB | — |
Swipe horizontally to see all columns
Pros & Cons
Quick overview of strengths and weaknesses
BLUEAIR Air Purifiers
- Cleans 3048 sq ft in one hour for large spaces.
- Removes 99.97% of particles down to 0.1 microns.
- Operates quietly, down to 23 dB at lowest setting.
- Real-time PM1, PM2.5, PM10 air quality monitoring.
- Filter replacement required every 6-9 months.
- Operation limited to North America 110-120V.
- Maximum noise output reaches 53 dB.
LEVOIT Air Purifiers
- AHAM certified for tested performance and efficiency
- Covers rooms up to 2933 sq ft per hour
- True HEPA filter removes 0.1-0.3m particulates
- Auto Mode adjusts fan speed based on air quality
- Requires specific Levoit replacement filters
- Off-brand filters may damage unit or reduce efficacy
Frequently Asked Questions
Common questions about this comparison
Which air purifier is better for very large rooms?
The BLUEAIR Blue Pure 211i Max covers slightly more area at 635 sq ft, cleaning 3048 sq ft in one hour, compared to the LEVOIT Core 600S-P's 606 sq ft (2933 sq ft/hour). Both are highly effective for large spaces.
What is the main difference in noise level between the two?
The BLUEAIR Blue Pure 211i Max operates quieter, reaching a minimum of 23 dB. The LEVOIT Core 600S-P has a minimum noise level of 26 dB. This makes the Blueair slightly more suitable for noise-sensitive environments.
Is the price difference worth it for the BLUEAIR model?
The BLUEAIR is $20 more ($319.99 vs $299.99). This slight premium provides a higher CADR (406.4 vs 391.0), larger coverage, and quieter minimum operation, which may be worth it for those prioritizing peak performance.
How do their air cleaning performances compare?
The BLUEAIR Blue Pure 211i Max has a higher CADR for smoke (406.4 vs 391.0), indicating slightly faster smoke removal. Both use True HEPA filters to capture 0.1 micron particles, ensuring excellent overall purification.
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