| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| air pollution effect on humans | 0.03 | 0.5 | 2999 | 43 |
| air pollution effect on human health | 1.95 | 0.7 | 6749 | 72 |
| air pollution effects on humans and animals | 0.38 | 0.4 | 9615 | 25 |
| what effect does air pollution have on humans | 1.58 | 0.2 | 7405 | 40 |
| effect of air pollution on human health essay | 1.64 | 0.3 | 6783 | 42 |
| effect of air pollution on human health ppt | 0.33 | 0.2 | 5790 | 72 |
