| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pm air quality standards | 1.35 | 0.3 | 9313 | 13 | 24 |
| pm | 1.1 | 0.8 | 5405 | 77 | 2 |
| air | 1.13 | 1 | 9602 | 32 | 3 |
| quality | 0.03 | 0.5 | 4698 | 5 | 7 |
| standards | 0.29 | 0.6 | 2162 | 10 | 9 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pm air quality standards | 0.19 | 0.4 | 1211 | 11 |
