Best Air Purifiers Available 2021/2020 (For USA)
Use air purifiers to remove allergens, reduce dust deposit (thus maintenance frequency). Key performance indicators for air purifiers include the surface covered and how often it changes its air as well as filter type.
Air purifiers are simple devices, fans that push or pull air through a filter. But many details still matter: noise, filter type, duration and replacement cost, to name a few. Alphachooser applies its data-driven selection technique to air purifiers to bring you narrowed-down lists of the best models by sub-category.
As of January 2021, the best air purifier 2021 is the Alen BreatheSmart FLEX, while the second best model is the BISSELL MyAir 2780A. Here is the full top 10 list, followed by special categories and, finally, a full list of air purifier brands and models.

Alen BreatheSmart FLEX
- TrueHEPA Filter


BISSELL Air320
- Activated Carbon Post-filter


RabbitAir MinusA2 SPA-780A
- Air Ionizer
- TrueHEPA Filter
- Activated Carbon Post-filter
- Air-quality Sensor
- Remote control


Levoit LV-H133
- TrueHEPA Filter
- Activated Carbon Post-filter
- On-off timer
- Air-quality Sensor

Honeywell HPA304
- TrueHEPA Filter
- On-off timer


Pure Enrichment PureZone 3-in-1
- UV treatment
- TrueHEPA Filter
- Activated Carbon Post-filter
- On-off timer
Best Air Purifiers For Specific Categories
Best Quiet Air Purifiers 2021
check out the latest quiet air purifiers. Full list
Best Smart Air Purifiers 2021
check out the latest smart air purifiers. Full list
Best Air Purifiers For Smoke
check out the latest air purifiers for smoke. Full list
Best True HEPA Air Purifiers
check out the latest True HEPA Air Purifiers. Full list
Large Room Air Purifiers
check out the latest large room air purifiers. Full list
List of all air purifier brands and their latest models 2021/2020:

Green Air (2 models)
The Green Air Elite is the newest Green Air model.
- All Green Air air purifiers.

PURITIX (2 models)
The PURITIX HAP260 is the latest PURITIX air purifier.
- All PURITIX air purifiers.