Blueair
Blue Pure 311i Max
Based on 20 Reddit mentions
$229.00
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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.
Neighbor smoking weed
Hi! Best way to keep your apartment smelling fresh is a air purifier. I use Blueair 311i max. It covers over 3000sq ft. I’m in a 1000sqft apartment and the overkill on purifying is worth it. I smoke weed occasionally inside and within an hour or so, it’s gone. Good luck. You can always report it. Sm
...404-cannot_be_found in r/Apartmentliving
May 16, 2026 11:25 PM
2
Anyone using air purifier here?
I’ve been using a Blueair 311i Max for about a year now. My indoor AQI used to be around 45 to 60 on normal days and sometimes higher when cooking. On auto mode it usually drops below 10 in 15 to 20 minutes. It’s honestly a relief to see the sensor light turn from orange to blue. When I was first lo
...Any_Insect3335 in r/Bhubaneswar
January 4, 2026 2:48 PM
2
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.
...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
...volxlovian in r/Blueair
February 17, 2026 9:16 PM
2
Best HEPA air purifier for home? No
For best results you need one unit in each room Top rated: Coway Airmega ProX Blueair Blue Pure 311i+ Max GermGuardian CDAP4500BCA
Caprichoso1 in r/AirPurifiers
August 27, 2025 6:04 PM
3
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
Help! I can’t identify which model this is for the life of me. Even AI has no idea
It’s a 311 auto that is an older generation of the 311i max and the filters are very different. My review https://housefresh.com/blueair-blue-pure-311-auto-review/
elviejozuloqi in r/Blueair
October 11, 2025 8:37 AM
2
Top 10 Best Air Purifier in 2026
The "Reddit Gold Standard": WINIX 5510 Despite being an older chassis, this is still the undisputed king of value in 2026. Why? Because the AOC Carbon Filter is actually washable and uses real pelletized carbon, unlike the "carbon-coated sponges" you see in cheap clones. Best for: Most living rooms/
...One_Mess525 in r/HomeClimateTech
May 20, 2026 8:44 PM
1
Good air purifiers for smoke at the moment - What actually works?
If you’re staying in the $300–$600 range, I’d probably look at the Winix 5500-2 or the Blueair 311i Max. They both have HEPA + carbon, and the carbon actually makes a noticeable difference for cooking smells
EconomyStruggle9961 in r/AirQuality
February 11, 2026 3:06 PM
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
...Quietly-Kat-8298 in r/AirPurifiers
February 17, 2026 3:06 AM
1