| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| who ambient air quality guidelines 2021 | 0.26 | 0.5 | 7177 | 53 | 39 |
| who | 0.62 | 0.9 | 7214 | 28 | 3 |
| ambient | 1.02 | 0.7 | 9700 | 69 | 7 |
| air | 0.87 | 0.4 | 7206 | 21 | 3 |
| quality | 0.8 | 1 | 2049 | 5 | 7 |
| guidelines | 0.16 | 1 | 6093 | 77 | 10 |
| 2021 | 0.28 | 0.6 | 9376 | 94 | 4 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| who ambient air quality guidelines 2021 | 0.88 | 1 | 6266 | 63 |
