# Blueair Blue Pure 311i Max: specs and price

**Price (US):** $229.99 at blueair.com, as of 2026-07-25. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 21 air purifiers we track it is #5 cheapest of 21; category median $299.99.
**Brand:** Blueair
**Released:** 2022
**Deskmark:** Gold Deskmark — pay-blind category standing 71/100, #3 of 19 in class (independent, computed from sourced data, never for sale).
**Price tracked since:** June 2026 (last change 2026-07-25: $172.49 → $229.99)

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $229.99 |
| 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 |

## Where it stands

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.

## Price over time

Since 2026-06-27, the Blueair Blue Pure 311i Max's price has risen 33.3%, from $172.49 to $229.99. The lowest we have recorded is $172.49 (2026-06-27).

## What reviewers say

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.)

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.
Disagreement: 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).
Sources: HouseFresh (2026-02-12, housefresh.com)

## 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.

Source: https://www.blueair.com/products/blue-pure-311i-max (blueair.com, accessed 2026-06-15)
Corroboration: https://data.energystar.gov/resource/gaa3-swy6.json?brand_name=Blueair&$limit=20 (accessed 2026-06-15)
Canonical: https://frontdeskreview.com/product/air-purifiers/blueair-blue-pure-311i-max/
Cite: Per The Front Desk Review, the Blueair Blue Pure 311i Max price of record was $229.99 as of 2026-07-25 — https://frontdeskreview.com/product/air-purifiers/blueair-blue-pure-311i-max/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl