| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| health effects of air pollution | 0.16 | 0.7 | 7038 | 35 |
| health effects of air pollution on humans | 0.93 | 0.1 | 7911 | 76 |
| health effects of air pollution in china | 1.71 | 0.2 | 3820 | 34 |
| health effects of air pollution in delhi | 0.03 | 1 | 2060 | 84 |
| health effects of air pollution cdc | 0.13 | 0.7 | 7874 | 74 |
| health effects of air pollution pdf | 1.29 | 0.8 | 2971 | 79 |
| effects of air pollution on human health | 1.39 | 0.8 | 455 | 53 |
| effects of air pollution on human health pdf | 0.32 | 0.9 | 281 | 56 |
| air pollution and health effects | 0.37 | 0.6 | 7799 | 52 |
| effect of air pollution on human health | 1.46 | 0.5 | 6257 | 96 |
| effect of air pollution on human health essay | 1.14 | 0.9 | 255 | 8 |
| effect of air pollution on human health ppt | 0.2 | 0.7 | 7681 | 52 |
