Best Air Purifiers Available 2021 (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.
Currently, the best air purifier 2021 is the Alen BreatheSmart FLEX, followed by the Coway Mighty. Here is the full top 10 list, then sub-categories and an extensive list of air purifier brands and models.

Alen BreatheSmart FLEX
- TrueHEPA Filter


Coway Mighty
- Air Ionizer
- On-off timer


Blueair Blue Pure 121
- Activated Carbon Post-filter


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

Pure Enrichment PureZone Elite 4-in-1
- UV treatment
- TrueHEPA Filter
- On-off timer
- Air-quality Sensor

Honeywell HPA304
- TrueHEPA Filter
- On-off timer

Best Air Purifiers For Specific Categories
Best Quiet Air Purifiers 2021
View the latest quiet air purifiers. Full list
Best Smart Air Purifiers 2021
View the latest smart air purifiers. Full list
Best Air Purifiers For Smoke
View the latest air purifiers for smoke. Full list
Best True HEPA Air Purifiers
View the latest True HEPA Air Purifiers. Full list
Large Room Air Purifiers
View the latest large room air purifiers. Full list
List of all the air purifier brands and their newest models 2021:

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.