Brands
| Brand | Models | Best model | Best score | Avg score |
|---|---|---|---|---|
| Coway | 8 | Coway Airmega 300 | 64 | 58 |
| Levoit | 8 | Levoit Core 200S | 78 | 65 |
| Blueair | 7 | Blueair Blue Pure 211i Max | 72 | 61 |
| Winix | 6 | Winix T810 | 75 | 64 |
| Honeywell | 4 | Honeywell HPA5300 | 54 | 46 |
| Alen | 3 | Alen BreatheSmart 75i | 60 | 56 |
| Medify | 3 | Medify MA-112 | 60 | 53 |
| Rabbit Air | 2 | Rabbit Air A3 | 50 | 46 |
| Clorox | 2 | Clorox Large Room 11020 | 52 | 52 |
| GermGuardian | 1 | GermGuardian AC4825 | 34 | 34 |
| Mila | 1 | Mila Air Purifier | 39 | 39 |
| Dreo | 1 | Dreo Macro Pro | 77 | 77 |
| Bissell | 1 | Bissell air320 | 24 | 24 |
| Shark | 1 | Shark NeverChange5 HP302 | 37 | 37 |
| Smart Air | 1 | Smart Air Blast Mini MK II | 39 | 39 |