| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| criteria pollutants caa | 1.5 | 0.1 | 8466 | 54 | 23 |
| criteria | 0.44 | 0.2 | 347 | 8 | 8 |
| pollutants | 1.78 | 0.1 | 5241 | 86 | 10 |
| caa | 0.81 | 0.5 | 9964 | 68 | 3 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| criteria pollutants caa | 1.48 | 0.3 | 3854 | 95 |
| name the caa criteria air pollutants | 0.24 | 0.9 | 4571 | 65 |
| list of criteria air pollutants | 1.41 | 0.4 | 2796 | 93 |
| what are the criteria air pollutants | 0.25 | 0.1 | 8653 | 20 |
| criteria air pollutants epa | 0.12 | 0.6 | 9889 | 90 |
| air quality criteria pollutants | 1.36 | 0.3 | 8506 | 12 |
| what are the 6 criteria air pollutants | 1 | 0.6 | 8463 | 91 |
| criteria pollutants under clean air act | 0.56 | 0.1 | 3964 | 2 |
| criteria air pollutants definition | 0.47 | 0.6 | 4329 | 51 |
