| 01 | True HEPA Filter | 51.9 |
| 02 | Coway Mighty2 | 39.9 |
| 03 | 311i Max | 33.1 |
| 04 | Levoit Vital 200S | 32.9 |
| 05 | high CADR | 30.0 |
| 06 | Coway | 29.7 |
| 07 | Coway Airmega ProX | 29.2 |
| 08 | Blueair Blue Pure 211i Max | 28.9 |
| 09 | Consumer Reports | 28.3 |
| 10 | activated carbon | 26.6 |
| 11 | Blueair Blue Pure 511 | 25.6 |
| 12 | Levoit | 24.6 |
| 13 | true HEPA filtration | 24.0 |
| 14 | Levoit Core 600S | 21.2 |
| 15 | Coway Airmega AP-1512HH | 20.4 |
| 16 | The New York Times | 19.2 |
| 17 | EPA | 18.7 |
| 18 | Winix 5510 | 17.0 |
| 19 | CADR matched to your room size | 16.9 |
| 20 | Blueair-style high-CADR HEPA purifiers | 16.3 |
| 21 | compact HEPA models | 15.8 |
| 22 | GermGuardian-type units | 15.4 |
| 23 | Honeywell | 15.0 |
| 24 | activated carbon filters | 14.9 |
| 25 | Blueair units | 14.2 |
| 26 | HEPA + substantial carbon | 14.0 |
| 27 | well-sized HEPA unit | 13.8 |
| 28 | Blueair Blue Signature Large | 12.4 |
| 29 | Blueair | 11.5 |
| 30 | Shark NeverChange Air Purifier MAX | 11.2 |