| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| clean air act 2009 | 1.76 | 0.2 | 6349 | 7 | 18 |
| clean | 0.11 | 0.2 | 3631 | 77 | 5 |
| air | 0.73 | 0.5 | 783 | 4 | 3 |
| act | 0.44 | 0.8 | 1945 | 44 | 3 |
| 2009 | 1.38 | 0.7 | 1889 | 5 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| clean air act 2008 | 0.35 | 0.3 | 6339 | 23 |
| clean air act 2019 | 1.72 | 0.5 | 634 | 7 |
| clean air act 2004 | 0.5 | 1 | 7618 | 24 |
| clean air act 209 | 0.31 | 0.2 | 5333 | 93 |
| clean air act 2007 | 1.49 | 1 | 7334 | 38 |
| clean air act 1999 | 1.71 | 0.1 | 750 | 27 |
| in 2010 the clean air act | 0.34 | 0.6 | 3775 | 28 |
| clean air act of 1999 pdf | 0.63 | 0.1 | 1521 | 68 |
| the clean air act 1993 | 1.55 | 0.5 | 5561 | 54 |
| clean air act 1990s | 1.22 | 0.5 | 9139 | 80 |
| clean air act 1992 | 1.47 | 0.5 | 2955 | 2 |
| clean air act of 2002 | 0.7 | 0.1 | 1010 | 99 |
| clean air act 1993 summary | 0.58 | 0.5 | 170 | 39 |
| clean air act enacted | 1.72 | 1 | 8471 | 38 |
| clean air act 1993 summary uk | 0.16 | 0.5 | 1717 | 86 |
| clean air act 1990 pdf | 0.05 | 0.6 | 8516 | 38 |
| clean air act pdf | 0.35 | 0.3 | 7080 | 27 |
| clean air act legislation | 1.33 | 0.2 | 3725 | 37 |
| clean air act uk 1993 | 0.1 | 0.3 | 5537 | 34 |
| clean air act article | 1.93 | 0.5 | 4513 | 74 |
| clean air act 1956 summary | 0.12 | 0.1 | 6596 | 55 |
| the clean air act 1956 | 0.95 | 0.8 | 4388 | 36 |
| clean air act 2023 | 0.78 | 0.4 | 5139 | 17 |
| clean air act 2022 | 0.08 | 0.1 | 8572 | 61 |
| clean air act 2022 uk | 0.94 | 0.3 | 4275 | 67 |
| clean air act 2020 | 1.95 | 0.3 | 8893 | 4 |
| clean air act 2021 | 0.54 | 0.2 | 2194 | 75 |
| clean air act 2014 | 0.54 | 0.9 | 4566 | 6 |
