| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| regulation about ground level ozone | 0.18 | 0.1 | 6500 | 92 | 35 |
| regulation | 1.02 | 0.7 | 5682 | 15 | 10 |
| about | 0.3 | 0.4 | 3910 | 54 | 5 |
| ground | 0.12 | 0.1 | 84 | 49 | 6 |
| level | 0.89 | 0.9 | 8117 | 12 | 5 |
| ozone | 1.62 | 0.8 | 426 | 57 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| regulation about ground level ozone | 1.11 | 0.2 | 6096 | 61 |
