| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| criteria pollutants effects | 1.3 | 0.4 | 9228 | 80 | 27 |
| criteria | 1.38 | 1 | 2591 | 70 | 8 |
| pollutants | 0.22 | 0.8 | 3836 | 26 | 10 |
| effects | 0.14 | 0.9 | 2720 | 21 | 7 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| criteria pollutants effects | 1.68 | 0.8 | 9296 | 66 |
