| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| nanjing air quality index | 1.19 | 1 | 3704 | 87 | 25 |
| nanjing | 1.29 | 0.5 | 1945 | 45 | 7 |
| air | 1.86 | 0.1 | 1009 | 63 | 3 |
| quality | 1.91 | 0.2 | 3546 | 81 | 7 |
| index | 1.17 | 0.3 | 7776 | 34 | 5 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nanjing air quality index | 0.31 | 0.9 | 6945 | 76 |
