Best Air Purifier for Smoke (2026): Winix 5510 Tops Test

The best air purifier for smoke in the largest head-to-head test we found is the $179.99 Winix 5510, which pulled 3.9 million particles from the air in 30 minutes, according to Project Farm, a YouTube channel that buys every product it tests. It was listed at that price.

That beat the original Coway Mighty, at 3.52 million particles, and a Dyson priced around $1,200, at 3.18 million. In a separate incense-smoke test, the newer $269.99 Coway Airmega Mighty2 cleared the air fastest of the mid-size purifiers HouseFresh compared, an independent site that bought the unit with its own money.

Smoke has two parts. The particles are what harm health, and a HEPA filter traps them; the smell is gas, which takes a thick carbon filter, according to Oransi, an air purifier maker that publishes buying guides. For whole-home wildfire protection, the $899.99 Coway Airmega ProX lists a smoke CADR of 567. During heavy wildfire smoke, follow local air quality guidance.

Best air purifiers for smoke: test results and smoke CADR compared

Prices from Amazon at time of writing. I may earn a commission from links, at no cost to you.

Spec	Winix 5510	Coway Airmega Mighty2	Levoit Core 600S-P	Coway Airmega ProX
Price	$179.99	$269.99	$269.99	$899.99
Reviewer smoke result	3.9M particles removed in 30 min, #1 overall (Project Farm)	PM1 cleared from 728 cu ft room in 23 min (HouseFresh)	Not in these tests	Fastest HEPA purifier HouseFresh tested: 13 min
Listed smoke CADR or coverage	AHAM Verifide at 392 sq ft	Smoke 240 CFM	391 CFM CADR	Smoke 567 CFM
Carbon for odor	Separate carbon filter, 226 g (HouseFresh)	2-in-1 HEPA and carbon Max2 filter	Smoke Remover filter option	Separate active carbon filter
Best for	Mid-size rooms on a budget	Mid-size rooms, quiet speeds	Large rooms and high ceilings	Whole floors, open plans
Buy	Check price	Check price	Check price	Check price

Winix 5510: Top scorer in Project Farm’s smoke test

Project Farm tested a long list of purifiers, from a $30 model to a $1,200 Dyson, on airflow, smoke removal and carpet dust. The Winix 5510 finished with the best average placing and removed the most smoke particles in 30 minutes (Project Farm, “We Tested Every Air Purifier! One Clear Winner!”). It keeps carbon and True HEPA in separate filters, so you can keep using the HEPA filter if the carbon wears out first, HouseFresh notes. $179.99. See the Winix 5510 on Amazon.

Cleans up to 1,882 sq ft in an hour, or 470 sq ft in 15 minutes (listing)
Carbon filter targets VOCs and odors from cooking, pets and smoke (Winix)
Washable fine-mesh pre-filter; auto mode with LED air quality light
Winix Smart App support

Coway Airmega Mighty2: Fastest in HouseFresh’s mid-size test

At top speed, the Mighty2 cleared PM1 particles from HouseFresh’s 728 cu ft test room in 23 minutes, faster than the original Mighty, the Levoit Vital 200S and the Winix 5510. HouseFresh estimated a PM1 CADR of 260 CFM and found it effective at quieter speeds too, finishing 8 minutes ahead of the next traditional purifier at sub-45 dB settings (HouseFresh, “Coway Mighty2 → The BEST Air Purifier for Most People?”). $269.99. See the Coway Airmega Mighty2 on Amazon.

Listed CADR: smoke 240, dust 242, pollen 249
900 sq ft in 30 minutes or 1,800 sq ft in an hour (listing)
MegaScan laser sensor reads PM1, PM2.5 and PM10
Washable pre-filter plus 2-in-1 HEPA and carbon filter

Levoit Core 600S-P: Most airflow for large rooms

Levoit lists a 391 CFM CADR for the Core 600S-P, its most powerful purifier, enough to clean 606 sq ft every 12.5 minutes or 2,933 sq ft once an hour. Levoit sells a Smoke Remover filter for it, and it is HEPA-grade in sleep mode with the Original Filter, per Levoit. $269.99. See the Levoit Core 600S-P on Amazon.

Built for open floor plans and high ceilings (listing)
Smoke Remover and Toxin Absorber filter options
Auto mode; VeSync app and Alexa control

Coway Airmega ProX: Best for whole-home wildfire smoke

The ProX lists the highest smoke CADR here, 567 CFM, with coverage of 2,126 sq ft in 30 minutes. In HouseFresh’s testing it finished the particle removal test in 13 minutes at top speed, the fastest HEPA purifier the site has tested, with an estimated PM1 CADR of 462 CFM (HouseFresh, “The BEST Air Purifiers for Allergies We Recommend → What to Look For!”). It has two sets of pre-filters and HEPA filters plus an active carbon filter. HouseFresh notes it weighs about 50 lb; it rolls on wheels. $899.99. See the Coway Airmega ProX on Amazon.

CADR: dust 580, pollen 450, smoke 567 (listing)
Particle sensor reads PM1, PM2.5 and PM10; smart and turbo modes
5-year warranty (listing)

How to Size an Air Purifier for Smoke

Oransi’s rule: multiply your room’s square footage by two-thirds to get the CADR you need. A 300 sq ft room needs a CADR of about 200 (Oransi, “How to Choose the Best Air Purifier for Wildfire Smoke”). By that rule, the Mighty2’s 240 smoke CADR suits rooms up to about 360 sq ft, and the ProX’s 567 suits about 850 sq ft.

HouseFresh aims higher for steady use: six air changes per hour at a fan speed under 45 dB, so the purifier can run all day without being turned down (HouseFresh, “The BEST Air Purifiers for Allergies We Recommend → What to Look For!”).

Smoke Particles vs. Smoke Smell

Most of the health concern from wildfire smoke is PM2.5, fine particles that can enter the lungs and potentially the bloodstream, and HEPA filters are designed to capture them, Oransi says. Odor is different. Oransi says the thin carbon sheets you can see through do little against gases, and points to its own carbon filter, more than 2 inches deep, as effective against smoke odors (Oransi, “How to Choose the Best Air Purifier for Wildfire Smoke”). HouseFresh adds that even the Vital 200S’s 400 g Smoke filter is too little carbon for serious odor or VOC problems (HouseFresh, “Levoit Vital 200S ▸▸ Still Worth It In 2026?”).

For wildfire smoke: prioritize CADR and a HEPA filter.
For tobacco or cooking smell: look for the most carbon you can get, such as a separate carbon filter or a Smoke Remover filter option.
Expect to replace carbon first. HouseFresh notes carbon often runs out before the particle filter does (HouseFresh, “Levoit Vital 200S vs Winix 5510 – Battle of the Mid-sized Air Purifiers”).

How These Picks Were Chosen

I have not tested these purifiers myself. Smoke results come from Project Farm and HouseFresh, sizing guidance from Oransi and HouseFresh, specs from the Amazon listings, and prices from Amazon at time of writing.

What the Smoke Tests Showed

Winix 5510: 3.9 million particles removed in 30 minutes, ahead of the original Coway Mighty (3.52 million) and a Dyson (3.18 million) (Project Farm, “We Tested Every Air Purifier! One Clear Winner!”).
Coway Mighty2: PM1 cleared from a 728 cu ft room in 23 minutes, ahead of the original Mighty, the Vital 200S and the Winix 5510 (HouseFresh, “Coway Mighty2 → The BEST Air Purifier for Most People?”).
Coway Airmega ProX: 13 minutes in HouseFresh’s particle test, its fastest HEPA result (HouseFresh, “The BEST Air Purifiers for Allergies We Recommend → What to Look For!”).

Video: Project Farm, “We Tested Every Air Purifier! One Clear Winner!”

Frequently Asked Questions

Do air purifiers remove smoke?

HEPA purifiers remove smoke particles. Removing the smell takes activated carbon, and more carbon helps.

What CADR do I need for wildfire smoke?

Oransi suggests at least two-thirds of your room’s square footage. For a 450 sq ft living room, that is a CADR of about 300.

Which purifier here is best for a whole floor?

The Coway Airmega ProX, with a listed smoke CADR of 567 and 2,126 sq ft in 30 minutes.

Sources

Notes and disclosure

Note: Prices come from Amazon listings at time of writing. CADR and coverage figures are the manufacturers’ listed numbers unless a reviewer is credited. Prices change often, so check the current listing.