| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| are negative ions healthy | 1.89 | 0.3 | 1671 | 48 | 25 |
| are | 0.8 | 0.9 | 6574 | 74 | 3 |
| negative | 0.34 | 0.1 | 9755 | 3 | 8 |
| ions | 1.03 | 0.2 | 9090 | 51 | 4 |
| healthy | 0.31 | 0.6 | 7211 | 16 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| are negative ions healthy | 1.97 | 1 | 8789 | 77 |
| are negative ion generators healthy | 0.33 | 0.4 | 2474 | 1 |
| why are negative ions good | 1.03 | 0.6 | 8290 | 7 |
| are negative ions bad for you | 0.32 | 0.2 | 6862 | 8 |
| are negative ions safe | 1.75 | 0.4 | 5494 | 54 |
| negative ions and health | 1.57 | 1 | 944 | 84 |
| are negative ions harmful | 0.42 | 0.3 | 3696 | 100 |
| what are negative ions benefits | 0.78 | 1 | 7631 | 10 |
| negative ions and health benefits | 0.42 | 0.1 | 4348 | 24 |
| health benefits of negative ions | 1.64 | 0.8 | 3525 | 37 |
| are negative ions dangerous | 1.47 | 0.4 | 5369 | 50 |
| do negative ions affect people | 1 | 0.6 | 2064 | 63 |
| benefits of negative ions | 0.68 | 0.8 | 7077 | 72 |
| can ions be positive and negative | 0.84 | 0.7 | 2532 | 25 |
| positive effects of negative ions | 1.19 | 0.3 | 2202 | 1 |
| negative ion benefits health | 1.49 | 0.4 | 6823 | 6 |
