| ozone → Causes → irritation | 0.47 | |
| ozone → Causes → air pollution | 0.33 | |
| ozone → Causes → damage | 0.33 | |
| ozone → Causes → breathing problems | 0.32 | |
| ozone → Causes → headache | 0.31 | |
| ozone → Causes → chest pain | 0.26 | |
| ozone → Causes → shortness of breath | 0.25 | |
| ozone → Causes → cough | 0.24 |