These smart air purifier for allergies reviews compare what each listing states about its filters, not any health outcome. We looked at filter stages, listed particle specs, carbon layers and app control.
See also our best smart air purifier and smart air purifier for pets reviews 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 Allergies
Levoit Vital 100S smart air purifier with washable pre-filter
- Listed to capture 99.97% of fine particles sized 0.1 to 0.3 microns
- Washable pre-filter rinses with water to maintain the 3-stage system
- Activated carbon filter listed for pet odors, fumes and VOCs
Winix T810 smart air purifier with True HEPA and Wi-Fi app
- True HEPA filter listed to capture 99.99% of airborne particles as small as 0.01 microns
- Washable fine mesh pre-filter
- Carbon filter listed to reduce VOCs and household odors
DHYALA KJ02 smart air purifier with 5-stage H13 True HEPA filtration
- Lists a 5-stage filtration system with an H13 True HEPA filter
- Electrostatic pre-filter listed to capture 40% more pet dander, fur and dust than standard 3-layer filters
- Carbon filter listed with 3X the adsorption capacity of conventional filters
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Smart Air Purifier Filter Specs Compared
| # | Product | Key Features | |
|---|---|---|---|
| 1 |  Levoit Vital 100S smart air purifier with washable pre-filter |
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| 2 |  Winix T810 smart air purifier with True HEPA and Wi-Fi app |
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| 3 |  DHYALA KJ02 smart air purifier with 5-stage H13 True HEPA filtration |
| Check Latest Price |
| 4 |  AZEUS GL-FS32 smart Wi-Fi air purifier with True HEPA filter |
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| 5 |  Levoit Core 300S smart air purifier with VeSync app and Auto Mode |
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1. Levoit Vital 100S smart air purifier with washable pre-filter
Best Overall
- Listed to capture 99.97% of fine particles sized 0.1 to 0.3 microns
- Washable pre-filter rinses with water to maintain the 3-stage system
- Activated carbon filter listed for pet odors, fumes and VOCs
- VeSync app sets timers, checks filter life and links to voice assistants
- Lists 1,073 sq ft per hour, below Winix T810 at 1,968 and DHYALA KJ02 at 3,620
- Levoit warns that off-brand filters may damage this purifier
- Smart Control: VeSync, Alexa, Google Assistant
- Coverage: 1,073 sq ft per hour
- Size: 12.64 x 6.3 x 16.02 in
Levoit lists the Vital 100S-P to clean the air 4.8 times per hour in rooms up to 222 sq ft. Its 3-stage system pairs a washable pre-filter with a middle filter and an activated carbon filter.
Levoit offers Toxin Absorber and Smoke Remover replacement filters for this model. Schedules set start and end times for Pet Mode, Auto Mode or Sleep Mode.
Right buyer for the Levoit Vital 100S
It suits buyers who want a rinseable pre-filter and a choice of replacement filter types.
Wrong buyer for the Levoit Vital 100S
Skip it if you want the most filter stages, since DHYALA KJ02 lists a 5-stage system.
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2. Winix T810 smart air purifier with True HEPA and Wi-Fi app
Best Fine Particle Spec
- True HEPA filter listed to capture 99.99% of airborne particles as small as 0.01 microns
- Washable fine mesh pre-filter
- Carbon filter listed to reduce VOCs and household odors
- Winix Smart App controls and monitors the unit from anywhere
- Lists 3 filter stages, fewer than the 5 on DHYALA KJ02
- Smart Control: Winix Smart App, Alexa, Google Assistant
- Coverage: 1,968 sq ft in 1 hr
- Size: 11.3 x 11.3 x 20.4 in
Winix says the carbon filter also catches airborne particles, which helps prolong the True HEPA filter life. The unit lists 1,968 sq ft in 1 hour and 492 sq ft in 15 minutes.
The listing names Amazon Alexa and Google Assistant control alongside the Winix Smart App. It lists a low noise level of 23.8 dB plus UL and FCC certification.
Right buyer for the Winix T810
It suits buyers who want the smallest listed particle size among these picks and a washable pre-filter.
Wrong buyer for the Winix T810
Skip it if floor space is tight, since AZEUS GL-FS32 measures 7 by 7 inches at the base.
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3. DHYALA KJ02 smart air purifier with 5-stage H13 True HEPA filtration
Most Filter Stages
- Lists a 5-stage filtration system with an H13 True HEPA filter
- Electrostatic pre-filter listed to capture 40% more pet dander, fur and dust than standard 3-layer filters
- Carbon filter listed with 3X the adsorption capacity of conventional filters
- App sends filter change reminders and works with Alexa and Google Assistant
- Stands 20.15 inches tall, above AZEUS GL-FS32 at 11, Levoit Core 300S at 14.17 and Levoit Vital 100S at 16.02
- Smart Control: App, Alexa, Google Assistant
- Coverage: 3,620 sq ft in 1 hr
- CADR: 271 CFM
DHYALA lists a CADR of 271 CFM and up to 3,620 sq ft cleaned in one hour. The title also lists a 360 degree air intake.
Auto Mode raises power when its sensor detects polluted air, and Sleep Mode lowers noise to 22 dB. A pet and child lock and a bite-proof power cord are also listed.
Right buyer for the DHYALA KJ02
It suits buyers who want the most listed filter stages and coverage for an open floor plan.
Wrong buyer for the DHYALA KJ02
Skip it if you need a short unit for a nightstand, since AZEUS GL-FS32 stands 11 inches tall.
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4. AZEUS GL-FS32 smart Wi-Fi air purifier with True HEPA filter
Best Compact Size
- 3-stage system with a pre-filter, activated carbon filter and True HEPA filter
- Air quality sensor adjusts fan speed in Auto Mode
- Brushless DC motor with an aerodynamic airflow design
- Compact 7 x 7 x 11 inch body
- Lists a low of 24 dB, above DHYALA KJ02 at 22 and Winix T810 at 23.8
- Smart Control: Smart WiFi
- Low Noise: 24 dB
- Size: 7 x 7 x 11 in
AZEUS lists this compact unit for enclosed rooms up to 1,076 sq ft. Its 3-stage system is listed to help capture dust, pet hair, odors and fine airborne particles.
The brushless DC motor is listed at noise levels down to 24 dB. Smart WiFi is named in the title, and the spec sheet lists touch control.
Right buyer for the AZEUS GL-FS32
It suits a bedroom or small office where a 7 by 7 inch footprint matters.
Wrong buyer for the AZEUS GL-FS32
Skip it if you want listed voice control, since Winix T810 lists Alexa and Google Assistant.
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5. Levoit Core 300S smart air purifier with VeSync app and Auto Mode
Best Air Quality Rings
- Auto Mode senses PM2.5 changes and adjusts fan speed
- Air quality indicator rings change with the PM2.5 reading
- VeSync app checks air quality, sets schedules and tracks filter life
- Sleep Mode turns off the display lights
- Levoit says off-brand filters may be unreliable and could damage the Core 300S
- Smart Control: VeSync, Alexa, Google Assistant
- Weight: 7.5 lb
- Size: 8.66 x 8.66 x 14.17 in
The High-Efficiency Activated Carbon Filter is listed with more carbon than off-brand filters, for odors, smoke and VOCs. The spec sheet gives a particle retention size of 0.1 micron.
Alexa or Google Assistant can control the unit by voice, and the VeSync app adjusts settings remotely. It lists ETL and FCC marks and weighs 7.5 pounds.
Right buyer for the Levoit Core 300S
It suits buyers who want a mid-size unit with indicator rings that track PM2.5 changes.
Wrong buyer for the Levoit Core 300S
Skip it if you want a listed washable pre-filter, since Levoit Vital 100S lists one that rinses with water.
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How to Choose the Best Smart Air Purifier for Allergies
- Count the filter stages. DHYALA KJ02 lists 5 stages, while Levoit Vital 100S, Winix T810, AZEUS GL-FS32 and Levoit Core 300S list 3.
- Read the particle spec as listed. Winix T810 lists 99.99% to 0.01 microns, and Levoit Vital 100S lists 99.97% at 0.1 to 0.3 microns.
- Check the carbon layer. DHYALA KJ02 lists 3X the adsorption capacity of conventional filters, and Levoit Core 300S lists more carbon than off-brand filters.
- Look at the pre-filter. Levoit Vital 100S and Winix T810 list a washable pre-filter, and DHYALA KJ02 lists an electrostatic one.
- Track filter life in the app. Levoit Vital 100S and Levoit Core 300S check filter life in VeSync, and DHYALA KJ02 sends filter change reminders.
Frequently Asked Questions
What do these listings say about pollen and dust?
Levoit Vital 100S lists 99.97% capture of 0.1 to 0.3 micron particles such as pollen, dust and pet dander. These are listed filter specs, not health claims.
Which pick lists the most filter stages?
DHYALA KJ02 lists a 5-stage system with an H13 True HEPA filter. The other four picks list 3 stages each.
Which picks have a washable pre-filter?
Levoit Vital 100S lists a pre-filter you rinse with water. Winix T810 lists a washable fine mesh pre-filter.
Which pick is the most compact?
AZEUS GL-FS32 measures 7 by 7 by 11 inches. Levoit Core 300S follows at 8.66 by 8.66 by 14.17 inches.
Final Verdict
Our smart air purifier for allergies reviews pick is the Levoit Vital 100S for its listed particle spec and washable pre-filter. Choose Winix T810 for its 0.01 micron spec and DHYALA KJ02 for 5 filter stages.
Best Overall: Levoit Vital 100S smart air purifier with washable pre-filter Check Latest Price
Best Fine Particle Spec: Winix T810 smart air purifier with True HEPA and Wi-Fi app Check Latest Price
Most Filter Stages: DHYALA KJ02 smart air purifier with 5-stage H13 True HEPA filtration Check Latest Price
Check each listing for current filter part numbers before you order replacements.
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