| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| clean air act standards | 0.26 | 0.3 | 6516 | 35 | 23 |
| clean | 1.05 | 0.1 | 5862 | 7 | 5 |
| air | 1.99 | 0.2 | 9490 | 26 | 3 |
| act | 0.91 | 0.6 | 3096 | 40 | 3 |
| standards | 1.39 | 0.3 | 1450 | 64 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| clean air act standards | 1.88 | 1 | 7197 | 49 |
