| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| best air purifier 2018 cnet | 0.49 | 0.8 | 7030 | 13 |
| best air purifier 2018 consumer reports | 0.19 | 0.1 | 5344 | 54 |
| best budget air purifier 2018 | 1.43 | 0.7 | 957 | 50 |
| cnet best air purifier | 0.1 | 0.9 | 5500 | 33 |
| best indoor air purifier 2018 | 1.65 | 0.4 | 1071 | 72 |
| best home sized air purifier 2018 | 0.03 | 0.7 | 9567 | 52 |
| best air purifier 2017 | 0.68 | 1 | 4696 | 39 |
| best air purifier 2016 | 1.27 | 0.9 | 4004 | 78 |
| best new air purifier | 1.54 | 0.2 | 2947 | 34 |
| top best air purifier | 1.88 | 0.7 | 7842 | 56 |
| best rated air purifier 2016 | 1.82 | 0.3 | 2112 | 48 |
| rated best air purifiers | 0.68 | 0.8 | 2678 | 39 |
| top rated air purifier | 0.77 | 0.6 | 2697 | 7 |
