| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| long-term ozone exposure and mortality | 1.36 | 0.3 | 5853 | 86 |
| long term effects of ozone exposure | 1.7 | 1 | 8238 | 26 |
| how deadly is ozone | 1.96 | 0.1 | 5889 | 43 |
| ozone and health risks | 1.1 | 0.8 | 2096 | 49 |
| exposure to ozone health effects | 1.23 | 0.4 | 3035 | 84 |
| ozone risks to human health | 1.36 | 0.8 | 8848 | 99 |
| effects of ozone exposure | 1.41 | 0.1 | 5631 | 35 |
| health risks of ozone | 0.07 | 0.8 | 3673 | 70 |
| impact of ozone on human health | 1.4 | 0.7 | 8787 | 40 |
| health impacts of ozone | 1.26 | 0.9 | 1628 | 1 |
| ozone impacts on human health | 1.94 | 0.7 | 4246 | 93 |
| the effects of ozone on human health | 0.72 | 0.3 | 7754 | 3 |
| how dangerous is ozone | 0.73 | 0.8 | 2591 | 62 |
| harmful effect of ozone | 0.77 | 1 | 8696 | 42 |
| ozone dangers to health | 1.09 | 1 | 7974 | 6 |
| how is ozone damaging | 1.97 | 0.4 | 7549 | 25 |
| how is the ozone harmful | 1.51 | 1 | 6329 | 48 |
| ozone effects on health | 1.58 | 0.4 | 5512 | 77 |
| how bad is ozone | 1.32 | 0.6 | 8203 | 2 |
