Blue Pure 311

Blueair

Blue Pure 311

18 positive 0 neutral 5 negative

Based on 23 Reddit mentions

$399.99

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Most discussed features

Sentiment summary across the product areas Reddit users mention most.

Reddit mentions

Original Reddit posts and comments behind this analysis.

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Costco: Winix C909 or Blueair 311i+?

Here’s their performance and price: -c909: 522sqft vs 311i+ max: 525sqft -$200($160 if on discount) vs $240(not sure abt the 311i+ discount) -filter at costco is $40($30 if discount) vs $50($37 if u buy filter subscription on blueair website) -90watt vs 38watt(highest setting) blueair 311i+ max: 12.

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Quietly-Kat-8298 in r/AirPurifiers

February 17, 2026 12:10 AM

2

Blueair 311i+ Max discontinued? Disappeared from Costco's website today!

Hmm not seeing what you're seeing...I'm seeing $240, but ya your right, they are available so not discontinued at least. https://www.blueair.com/products/blue-pure-311i-plus-max?srsltid=AfmBOorh6W7WeKGc75U6aAXmYbFpzgRfiafao2ZBWp27ITb0yZrUabyH I'm glad too because you scared me for a sec. I paid like

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volxlovian in r/Blueair

February 17, 2026 9:16 PM

2

Air purifier

We just got a Blueair 311i MAX last week! So far it seems good

CanOk9124 in r/saskatoon

June 11, 2025 7:49 AM

2

Costco: Winix C909 or Blueair 311i+?

Thank you so much for your wonderful breakdown. I did end up returning the c909 yesterday, I mean I live in a 140 square foot room, and this was the only space I had for the purifier, and it encroached on the doorway, I just could not have that. My room felt so much more open with the c545. I just d

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volxlovian in r/AirPurifiers

February 17, 2026 2:17 AM

1

Costco: Winix C909 or Blueair 311i+?

Well the actived carbon filter does help a tiny tiny bit with odor, but not much since you need pounds of actived carbon to actually see a difference, it’s much better to open a window/door and use a fan, aka ventilation for odor. So this shouldn’t be a deciding factor, I’d say ur good regarding thi

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Quietly-Kat-8298 in r/AirPurifiers

February 17, 2026 3:06 AM

1

Noob questions on what to get for wildfire smoke.

I'd recommend something like Coway 1512hh or a Blueair 311iMax. I've got both and a few sensors that show they work well for wildfire smoke the Coway I've had for many years and it's still running like new.

Tych-0 in r/AirPurifiers

July 20, 2025 7:43 PM

1

Looking for a recommendation for air purifier for our apartment.

"Blue Pure 311i Max" by Blueair was my first and only purchase and I feel like I struck gold. After reading great accounts last year of people successfully mitigating the forest fire smoke the crept in their homes from California forest fires - I decided to try one out. It runs on auto, is silent, h

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teetuh in r/AirPurifiers

September 18, 2025 8:02 AM

1

Търся препоръки за пречистватели за въздуха и "дали работят"

https://blueair.co/en-eu/products/blue-pure-311i-max тези са доста добри

oneharmlesskitty in r/bulgaria

September 28, 2025 9:32 PM

1

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