| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| clean air act of 1970 definition | 0.72 | 0.2 | 4403 | 23 | 32 |
| clean | 0.64 | 0.9 | 8369 | 76 | 5 |
| air | 1.95 | 0.6 | 917 | 71 | 3 |
| act | 1.5 | 0.6 | 6494 | 52 | 3 |
| of | 0.18 | 1 | 2523 | 11 | 2 |
| 1970 | 1.47 | 0.2 | 6022 | 91 | 4 |
| definition | 1.77 | 0.3 | 7699 | 49 | 10 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| clean air act of 1970 definition | 1.25 | 0.4 | 8436 | 10 |
