Blueair Blue Signature

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Overall

#76 in

Air Purifiers

according to Reddit Icon Reddit

Sentiment score80% positive
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Last updated: Apr 28, 2026

Reddit Reviews

Reddit Iconaomt
3 months ago

I have two small coways (meh), Dyson (meh, but very good for heating!), Levoit 600S - very good and just got blueair signature - so far very happy. 

Reddit IconBlowingleaves17
8 months ago

Go to the Blueair website and look at all their air purifiers. Some are on sale for almost $100 less. Look at the new Blue Signature on sale. It has a washable fabric pre-filter, which is great for dusty rooms. I think Blueair purifiers are terrific, and never consider buying any other brands any longer.

Reddit IconIdeal_Friendly
9 months ago

BLUEAIR for the win. Saved me twice from getting covid (sick visitors). Just upgraded to the newer Signature version.

Reddit IconInspectionNo9124
5 months ago

It’s honestly so good! I initially started with the 511, 5 years ago and recently just upgraded to the blue signature (during Black Friday) which is the prettiest out of the bunch! lol I’d absolutely get the 311 for our other rooms— gotta wait for another sale tho lol

Reddit Iconjkattex
5 months ago

Check out the Blueaire Signature. Looks like a small side table. You can place small items on it like the small holiday display I have on mine.

Reddit IconKingkiril08
about 1 month ago

I just got my Blueair signature and it’s making a loud clicking motor noise on speed 1. I’m returning it. Not sure if I should buy another one.

Reddit IconSmooth-Patience8572
about 1 month ago

I have a blue signature and love it (we got it as a gift), the app is very easy to use and I have noticed an improvement in dust and also my allergies. I was really impressed with its ability to detect what’s in the air - I’ll light a candle about 15 feet away and it’ll kick on. I’ve never had a levoit so can’t speak to that.

Reddit IconTravishamockry
4 months ago

Seconding this. I have two Blueairs too. I have a 511i Max also for my bedroom and the new Signature for the living room. Works well and good stats in HA, which is all I really wanted.

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