| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| harmful effects of air pollution | 1.89 | 0.4 | 385 | 37 |
| harmful effects of air pollution on earth | 1.8 | 0.8 | 6554 | 75 |
| harmful effects of air pollution class 8 | 0.71 | 0.3 | 7720 | 91 |
| what are the harmful effects of air pollution | 0.76 | 0.1 | 1099 | 1 |
| list five harmful effects of air pollution | 1.44 | 0.3 | 5654 | 87 |
| five harmful effects of air pollution | 0.82 | 0.3 | 7981 | 16 |
| 5 harmful effects of air pollution | 1.16 | 0.7 | 1401 | 1 |
| effects of air pollution on human | 0.22 | 0.1 | 9707 | 27 |
| bad effects of air pollution | 1.68 | 0.4 | 9912 | 55 |
| ill effects of air pollution | 1.1 | 0.1 | 3777 | 42 |
| health effects on air pollution | 1.71 | 0.8 | 6579 | 64 |
| main health effects of air pollution | 1.87 | 0.6 | 2857 | 54 |
| what are the dangers of air pollution | 0.9 | 1 | 3179 | 12 |
| what are the impacts of air pollution | 1.39 | 0.4 | 9791 | 96 |
| health consequences of air pollution | 0.93 | 0.6 | 1805 | 63 |
| air pollution and its effects | 1.63 | 0.8 | 2706 | 86 |
| health risks of air pollution | 0.98 | 0.6 | 7804 | 98 |
| why is air pollution harmful | 0.72 | 0.5 | 6864 | 24 |
| how does air pollution harm the environment | 1.06 | 0.2 | 8651 | 85 |
