These smart air purifier smells reviews look at how each listing describes odor handling. We compared carbon and odor filters, filter stages and size on five app-controlled models.
See also our best smart air purifier reviews and best smart air purifier guides. Every pick comes from the makers’ specifications on each Amazon listing, not our own testing, and our Editorial Policy explains how we work. Replace filters on the schedule each maker lists and keep the air intake clear.
Our Top 3 Picks for a Smart Air Purifier for Smells
Coway Airmega 400S smart air purifier with active carbon filter and IoCare app
- Active carbon filter listed to reduce volatile organic compounds and odor
- Pre-filter, carbon filter and HEPA filter listed to reduce 99.97% of 0.3 micron particles
- IoCare app handles scheduling, filter notifications and speed control, and Alexa works with it
LG PuriCare 360 smart air purifier with activated carbon and NanoFiber True HEPA
- Activated carbon filter listed to help keep the air smelling fresh
- NanoFiber True HEPA filter traps on average 99.97% of 0.3 micron particles
- PM 1.0 sensor and a color changing indicator show air quality
Blueair Signature SP4i smart air purifier with OdorFence and 7-stage filtration
- OdorFence technology listed to help break down odors, gases and VOCs
- 7-stage HEPASilent filtration listed to capture 99.97% of particles down to 0.1 microns
- Blueair app controls fan speed, schedules and settings, and Auto Mode adjusts to indoor air conditions
As an Amazon Associate we earn from qualifying purchases.
Smart Air Purifiers for Smells Compared
| # | Product | Key Features | |
|---|---|---|---|
| 1 |  Coway Airmega 400S smart air purifier with active carbon filter and IoCare app |
| Check Latest Price |
| 2 |  LG PuriCare 360 smart air purifier with activated carbon and NanoFiber True HEPA |
| Check Latest Price |
| 3 |  Blueair Signature SP4i smart air purifier with OdorFence and 7-stage filtration |
| Check Latest Price |
| 4 |  Levoit Core 300S smart air purifier with high-efficiency activated carbon filter |
| Check Latest Price |
| 5 |  Levoit EverestAir-P smart air purifier with extra carbon and 3-channel laser sensor |
| Check Latest Price |
As an Amazon Associate we earn from qualifying purchases.
1. Coway Airmega 400S smart air purifier with active carbon filter and IoCare app
Best Overall
- Active carbon filter listed to reduce volatile organic compounds and odor
- Pre-filter, carbon filter and HEPA filter listed to reduce 99.97% of 0.3 micron particles
- IoCare app handles scheduling, filter notifications and speed control, and Alexa works with it
- Eco Mode turns the fan off after 30 minutes of purified air and restarts it when pollution is detected
- Weighs 24.7 pounds, more than Levoit Core 300S at 7.5 and LG PuriCare 360 at 14.9
- Filter Stages: 3
- Low Noise: 22 dB
- Size: 14.8 x 14.8 x 22.8 in
Coway lists a HyperCaptive system that combines a pre-filter, an active carbon filter and a HEPA filter. It is listed to clean spaces up to 3,120 sq ft in 60 minutes.
Smart Mode adjusts fan speeds to the room’s air quality. The listing also names indoor and outdoor air quality monitoring in the IoCare app.
Good match for the Coway Airmega 400S
It suits a large open space where a carbon stage and app scheduling come first.
When to choose another pick over the Coway Airmega 400S
Skip it if you want a compact unit, since Levoit Core 300S stands 14.17 inches tall against its 22.8.
As an Amazon Associate we earn from qualifying purchases.
2. LG PuriCare 360 smart air purifier with activated carbon and NanoFiber True HEPA
Best Fresh Air Wording
- Activated carbon filter listed to help keep the air smelling fresh
- NanoFiber True HEPA filter traps on average 99.97% of 0.3 micron particles
- PM 1.0 sensor and a color changing indicator show air quality
- Lists 2,059 sq ft at one air change per hour, or 429 sq ft at 4.8 air changes per hour
- Stands 20.1 inches tall and weighs 14.9 pounds, above Levoit Core 300S at 14.17 inches and 7.5 pounds
- Filter Stages: 3
- Low Noise: 23 dB
- Size: 12.4 x 12.4 x 20.1 in
LG lists three layers of filtration: a removable pre-filter, an activated carbon filter and a NanoFiber True HEPA filter. The pre-filter captures larger particles.
The LED indicator moves from red to orange to yellow to green as indoor air quality improves. The listing gives 23 dB for noise.
Good match for the LG PuriCare 360
It suits a living room or office where a clear air quality indicator and a carbon stage matter.
When to choose another pick over the LG PuriCare 360
Skip it if you want the most listed carbon, since Levoit EverestAir-P lists 60% more carbon than a Levoit Vital 200S-P.
As an Amazon Associate we earn from qualifying purchases.
3. Blueair Signature SP4i smart air purifier with OdorFence and 7-stage filtration
Best Odor Technology
- OdorFence technology listed to help break down odors, gases and VOCs
- 7-stage HEPASilent filtration listed to capture 99.97% of particles down to 0.1 microns
- Blueair app controls fan speed, schedules and settings, and Auto Mode adjusts to indoor air conditions
- Lists 3,385 sq ft every hour and 705 sq ft in 12.5 minutes
- Stands 21.2 inches tall, above Levoit Core 300S at 14.17 and LG PuriCare 360 at 20.1
- Filter Stages: 7
- Coverage: 3,385 sq ft per hour
- Size: 12.5 x 12.5 x 21.2 in
Blueair lists an air quality indicator built into the air outlet with five colors from blue to red. A subtle animation shows when it is actively cleaning.
The design doubles as a side table. Interchangeable pre-filters come in a variety of colors.
Good match for the Blueair SP4i
It suits an open living space where fast listed coverage and a furniture style look matter.
When to choose another pick over the Blueair SP4i
Skip it if you want a smaller footprint, since Levoit Core 300S measures 8.66 x 8.66 inches against its 12.5 x 12.5.
As an Amazon Associate we earn from qualifying purchases.
4. Levoit Core 300S smart air purifier with high-efficiency activated carbon filter
Best for Kitchens
- High-efficiency activated carbon filter listed to help get rid of kitchen smells
- Carbon filter listed to help neutralize odors, smoke and VOCs
- Shortest pick here at 14.17 inches and 8.66 inches wide
- VeSync app sets timers and checks filter life, with Alexa and Google Assistant support
- The maker says to use official Levoit filters, since off-brand filters may damage the unit
- Filter Stages: 3
- Low Noise: 22 dB
- Size: 8.66 x 8.66 x 14.17 in
Levoit lists a 3-stage original filter and calls the room fit bedrooms, living rooms and kitchens. Auto Mode senses PM2.5 changes and adjusts fan speed.
Sleep Mode turns off display lights and lowers noise to as low as 22 dB. The listing says the filter is ETL listed.
Good match for the Levoit Core 300S
It suits a kitchen or small living space where a compact carbon unit is enough.
When to choose another pick over the Levoit Core 300S
Skip it if you need large listed coverage, since Blueair SP4i lists 3,385 sq ft per hour.
As an Amazon Associate we earn from qualifying purchases.
5. Levoit EverestAir-P smart air purifier with extra carbon and 3-channel laser sensor
Most Carbon
- Lists 60% more carbon than Levoit Vital 200S-P, listed to eliminate tough odors
- CADR of 354 CFM, listed to filter up to 2,655 sq ft in one hour
- 3-channel laser sensor scans PM10, PM2.5 and PM1.0 particles
- Smart scenes in the app can turn the unit on when air quality drops
- Stands 23.2 inches tall, taller than every other pick, with Coway Airmega 400S next at 22.8
- Filter Stages: 3
- Low Noise: 24 dB
- Size: 18.9 x 8.5 x 23.2 in
Levoit lists a 3-stage original filter and a large fan that circulates air through the room. The listing also names a washable pre-filter.
The listing mentions pet hair and odors in its copy. Noise is listed as low as 24 dB.
Good match for the Levoit EverestAir-P
It suits a large room where extra carbon and detailed particle sensing come first.
When to choose another pick over the Levoit EverestAir-P
Skip it if you want a short unit, since Levoit Core 300S stands 14.17 inches tall against its 23.2.
As an Amazon Associate we earn from qualifying purchases.
How to Choose the Best Smart Air Purifier for Smells
- Read the odor wording first. Coway Airmega 400S lists odor and VOC reduction, and Blueair SP4i lists OdorFence for odors, gases and VOCs.
- Compare carbon. Levoit EverestAir-P lists 60% more carbon than a Levoit Vital 200S-P, and Levoit Core 300S lists kitchen smells.
- Check the filter stages. Blueair SP4i lists 7 stages, while Coway Airmega 400S, LG PuriCare 360 and both Levoit picks list 3.
- Match coverage to the room. Blueair SP4i lists 3,385 sq ft per hour, Coway Airmega 400S 3,120 in 60 minutes and Levoit EverestAir-P 2,655 in one hour.
- Check height. Levoit Core 300S stands 14.17 inches, LG PuriCare 360 20.1 and Levoit EverestAir-P 23.2.
Frequently Asked Questions
Which pick lists the most carbon?
Levoit EverestAir-P lists 60% more carbon than a Levoit Vital 200S-P. Levoit Core 300S lists a high-efficiency activated carbon filter.
Which picks list the lowest noise?
Levoit Core 300S and Coway Airmega 400S each list 22 dB. LG PuriCare 360 lists 23 dB and Levoit EverestAir-P lists 24.
Which pick lists a kitchen use?
Levoit Core 300S names kitchens among its listed rooms and lists a carbon filter for kitchen smells.
How do the picks with a listed weight compare?
Levoit Core 300S weighs 7.5 pounds, LG PuriCare 360 weighs 14.9 and Coway Airmega 400S weighs 24.7.
The Bottom Line
Our smart air purifier smells reviews pick is the Coway Airmega 400S for its listed carbon and VOC wording and broad coverage. Choose LG PuriCare 360 for fresh air wording and Blueair SP4i for OdorFence.
Best Overall: Coway Airmega 400S smart air purifier with active carbon filter and IoCare app Check Latest Price
Best Fresh Air Wording: LG PuriCare 360 smart air purifier with activated carbon and NanoFiber True HEPA Check Latest Price
Best Odor Technology: Blueair Signature SP4i smart air purifier with OdorFence and 7-stage filtration Check Latest Price
Check each listing for current filter part numbers before you order replacements.
As an Amazon Associate we earn from qualifying purchases.
Write Your Review
No reviews yet. Be the first to share your experience!