| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best air purifier reviews 2015 | 0.48 | 0.8 | 2560 | 60 |
| best air purifier reviews 2022 | 0.96 | 0.3 | 4488 | 24 |
| best air purifier reviews 2021 | 1.27 | 0.3 | 5670 | 39 |
| best air purifier reviews 2023 | 0.98 | 0.2 | 7173 | 3 |
| best air purifier 2015 top 10 review | 1.52 | 0.7 | 8431 | 19 |
| best indoor air purifier 2022 | 0.42 | 0.3 | 2170 | 57 |
| air purifier ratings 2022 | 1.84 | 0.9 | 3779 | 42 |
| top 10 air purifiers 2022 | 0.49 | 0.4 | 3354 | 66 |
| top air purifiers 2022 | 1.27 | 0.2 | 3446 | 4 |
| top ten air purifiers 2022 | 1.32 | 1 | 1456 | 52 |
