| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| clean air act 1970 | 1.47 | 0.2 | 3201 | 51 | 18 |
| clean | 0.14 | 0.6 | 8708 | 52 | 5 |
| air | 1.31 | 0.2 | 5610 | 92 | 3 |
| act | 1.38 | 0.9 | 1084 | 20 | 3 |
| 1970 | 0.66 | 0.3 | 5148 | 2 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| clean air act 1970 | 2 | 0.9 | 2525 | 14 |
| clean air act 1970 summary | 0.77 | 0.7 | 7055 | 21 |
| clean air act 1970 impact | 1.19 | 0.1 | 604 | 10 |
| clean air act 1970 definition | 0.11 | 0.3 | 1902 | 8 |
| clean air act 1970 epa | 0.63 | 0.5 | 9130 | 9 |
| clean air act 1970 pdf | 1.49 | 0.6 | 2769 | 57 |
| clean air act 1970 usa | 1.14 | 0.8 | 1211 | 28 |
| clean air act 1970 apush definition | 0.66 | 0.3 | 7524 | 82 |
| what is the clean air act of 1970 | 0.27 | 0.5 | 2127 | 15 |
| us clean air act of 1970 | 0.91 | 0.6 | 5800 | 23 |
| what was the clean air act of 1970 | 1.1 | 0.2 | 6735 | 26 |
| clean air act amendments 1970 | 1.71 | 0.7 | 8039 | 22 |
| clean air act summary | 1.45 | 0.5 | 9583 | 35 |
