| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| formaldehyde in the indoor environment | 0.12 | 0.9 | 9850 | 51 | 38 |
| formaldehyde | 1.53 | 1 | 8750 | 63 | 12 |
| in | 0.26 | 0.6 | 4607 | 67 | 2 |
| the | 0.57 | 0.5 | 3701 | 44 | 3 |
| indoor | 0.75 | 0.8 | 7935 | 50 | 6 |
| environment | 0.36 | 0.8 | 125 | 83 | 11 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| formaldehyde in the indoor environment | 1.92 | 0.9 | 3192 | 56 |
