| Typicality: | 0.431 |
| Saliency: | 0.425 |
| near ground level | 9 | location |
| from other pollutants by photochemical reactions | 2 | cause |
| ozone → be formed in → lower atmosphere | 8 |
| ozone → be formed in → earth's lower atmosphere | 6 |
| ozone → be formed in → earth’s lower atmosphere | 4 |
| ozone → occur in → lower atmosphere | 4 |
| negative | neutral | positive |
| 0.401 | 0.516 | 0.083 |
| Raw frequency | 22 |
| Normalized frequency | 0.425 |
| Modifier score | 0.500 |
| Perplexity | 26.648 |