Blueair · Updated July 2026
Blueair Blue Pure 311i Max: price, specs & release date
Blueair Blue Pure 311i Max, released 2022. Every price and spec below is linked to its source and dated — no guesses.
Source: blueair.com verified ✓ corroborated verify in ledger
The Blueair Blue Pure 311i Max is listed at $229.99 on blueair.com as of 2026-07-25, #5 cheapest of 21 air purifiers (median $299.99); other retailers may be lower. It earns a Gold Deskmark — 71/100 pay-blind standing, #3 of 19 in class.
Verified Jul 25, 2026 · figures linked to their source in the table below
- Best for Strong particle-cleaning performance and value for under $300 (27 min to PM1 zero, 220 cfm CADR).
- Skip if Built-in HEPASilent ionizer cannot be disabled, adding ozone to the air is a dealbreaker.
Price history
$229.99Is the Blueair Blue Pure 311i Max a good buy?
At $230, the Blueair Blue Pure 311i Max is #2 cheapest of the 21 air purifiers we track, where the median is $299.99. On the spec sheet, its cadr smoke of 321 CFM is above the median of the 15, its coverage of 465 sq ft is below the median of the 22, and its noise db min of 23 is below the median of the 19.
Evidence of Record
Our data- Independent labsmeasured it
- 1
- Physical metricsrecorded
- 5
- Outlets on recordall tested
- 1
One independent lab measured this product across 5 physical metrics — speed, noise, power and 2 more. These numbers rest on a single hands-on source so far.
speed · noise · power · annual running cost · filter life /
Review consensus · sourced & dated
What reviewers say about the Blueair Blue Pure 311i Max
Only HouseFresh (whitelisted) has a genuine chamber-tested review. Their PurpleAir Zen sensor measured a 220 cfm PM1 CADR, clearing a 728 cu-ft room in 27 minutes at top speed. They rate it good cleaning value for under $300, but flag that its HEPASilent ionizer cannot be disabled, adding ozone.
Based on 1 review · 1 lab-tested · 2026-02-12
Tested by HouseFresh
Consistently praised
- Strong particle-cleaning performance and value for under $300 (27 min to PM1 zero, 220 cfm CADR)
Commonly flagged
- Built-in HEPASilent ionizer cannot be disabled, adding ozone to the air
Where reviewers disagree No cross-source disagreement possible — only one whitelisted tester (HouseFresh) has a genuine hands-on/measured review of this exact model. RTINGS covers the sibling 211i Max and 511i Max but not the 311i Max (direct URL 404s).
The sources (1)
PM1 CADR (top speed): 220 cfm · Time to PM1 zero (top speed, 728 cu ft test room): 27 minutes · Time to PM1 zero (Speed 2): 32 minutes · Time to PM1 zero (Speed 1): 54 minutes · Noise (sleep, at 3 ft): 34.9 dBA · Noise (top speed, at 3 ft): 57.7 dBA · Power draw (sleep): 2.8 watts · Power draw (top speed): 29.2 watts · Annual running cost (energy + filters): $122.19 · Filter life / replacement cost: 6 months / $44.49
According to our PurpleAir Zen sensor, the Blueair 311i Max needed 27 minutes to achieve PM1 zero in our 728 cubic ft. test room.
Good air cleaning performance at top speed for less than $300, comparable to what you'll get with the Winix T810 and the Dyson BP06.
You will be forced to use its in-built ionizer, in the form of Blueair's trademarked HEPASilent technology, which cannot be disabled.
Specifications
| Price (US) | $229.99 — current on record (was $172.49) |
|---|---|
| Brand | Blueair |
| Released | 2022 |
| Cadr smoke (CFM) | 321 |
| Coverage (sq ft) | 465 |
| Hepa | Yes |
| Filter type | HEPASilent dual filtration (mechanical + electrostatic) + Activated Carbon, 4-layer |
| Noise db min | 23 |
| Smart | Yes |
| Energy star | Yes |
Source: blueair.com (verified 2026-06-15) · corroborated by data.energystar.gov. blueair.com product page confirms 465 sq ft primary coverage (439 sq ft in 12.5 min), noise 23–50 dB, WiFi + Blueair app, HEPASilent 4-layer filtration, QuietMark certified; CADR not listed on product page. Energy Star API model 4412311000 (498 sq ft, CADR dust 309/smoke 321/pollen 330 cfm) identified as matching the 311i Max based on coverage area. Smoke CADR 321 cfm used. Price $172.49 from manufacturer page.
Is the Blueair Blue Pure 311i Max worth it vs cheaper air purifiers?
Blueair Blue Pure 311i Max against its closest cheaper and pricier air purifiers on the specs that matter — every value sourced. See all 21 ranked
| Product | Price | Cadr smoke (CFM) | Coverage (sq ft) | Hepa | Filter type | Noise db min |
|---|---|---|---|---|---|---|
| Blueair Blue Pure 311i Max this | $229.99 | 321 | 465 | Yes | HEPASilent dual filtration (mechanical + electrostatic) + Activated Carbon, 4-layer | 23 |
| Coway AP-1512HH Mighty | $229 | 233 | 360 | Yes | Pre-filter + Activated Carbon + True HEPA + Ionizer (switchable) | 24.4 |
| Medify MA-40 | $249.99 | 239 | 373 | Yes | Pre-filter + True HEPA H13 + Active Carbon Composite (3-stage) | 40.5 |
Frequently asked questions
What do reviewers say about the Blueair Blue Pure 311i Max?
Only HouseFresh (whitelisted) has a genuine chamber-tested review. Their PurpleAir Zen sensor measured a 220 cfm PM1 CADR, clearing a 728 cu-ft room in 27 minutes at top speed. They rate it good cleaning value for under $300, but flag that its HEPASilent ionizer cannot be disabled, adding ozone. Praised: Strong particle-cleaning performance and value for under $300 (27 min to PM1 zero, 220 cfm CADR). Flagged: Built-in HEPASilent ionizer cannot be disabled, adding ozone to the air. (From 1 tester review, 1 lab-tested.)
How much does the Blueair Blue Pure 311i Max cost?
The Blueair Blue Pure 311i Max has a US price of $229.99, as of 2026-07-25.
How does the Blueair Blue Pure 311i Max compare on price?
At $230, the Blueair Blue Pure 311i Max is #2 cheapest of the 21 air purifiers we track, where the median is $299.99.
Has the Blueair Blue Pure 311i Max's price dropped?
No — since 2026-06-27 the Blueair Blue Pure 311i Max has risen 33.3%, from $172.49 to $229.99; the lowest we have recorded is $172.49 (2026-06-27).
What is the lowest price the Blueair Blue Pure 311i Max has been?
The lowest we have recorded for the Blueair Blue Pure 311i Max is $172.49 on 2026-06-27.
Is now a good time to buy the Blueair Blue Pure 311i Max?
The Blueair Blue Pure 311i Max is currently $229.99; the lowest we have recorded is $172.49 (2026-06-27). Every price is dated, so you can judge it against its own history.
When was the Blueair Blue Pure 311i Max released?
The Blueair Blue Pure 311i Max was released 2022.
What are the Blueair Blue Pure 311i Max's key specs?
Blueair Blue Pure 311i Max (Blueair): cadr smoke cfm 321, coverage sqft 465, hepa Yes, filter type HEPASilent dual filtration (mechanical + electrostatic) + Activated Carbon, 4-layer, noise db min 23. Full sourced spec sheet verified 2026-06-15.
Price of record: $229.99 at blueair.com, 2026-07-25. Other retailers may be lower — check the current price:
See Blueair Blue Pure 311i Max on Amazon As an Amazon Associate we earn from qualifying purchases.Similar air purifiers
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Compare with
Cheaper air purifiers
- Coway AP-1512HH Mighty $229
- Levoit Core 400S $219.99
- Levoit Vital 200S $189.99
- Levoit Core 300S $149.99
Step up
- Medify MA-40 $249.99
- Winix 5520 $259.99
- Levoit Core 600S $299.99
- Blueair Blue Signature Medium $299.99
- Dyson HushJet Compact (HJ10) $299.99
- Shark NeverChange Air Purifier MAX (HP302) $299.99
More from Blueair
- Blueair Blue Pure 211i Max $349.99
- Blueair Blue Signature Medium $299.99
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