Children ozone should act in the same way as adults, but children are somehow less likely to complain. Maybe they do not know how to complain, and may have lower sensitivity.
Children play close to the ground. Just where splashing ozone. So they swallowed ozone more than adults.
The most common ozone affects people with lung diseases and the elderly. Ozone increases the mortality from various causes. It may well be that it increases the risk of heart attacks and arrhythmias. Similarly, it is not yet determined.
Before you go outside, it is better to know about air pollution. Harmful ozone levels much lower than the one that we can feel. If you hear the smell of ozone, its concentration is higher than the guaranteed safe.
With the high level of ozone try to spend less time on the street. Transfer the walk in the morning or evening.
From exercise breathing becomes more frequent, and more ozone gets into your lungs. Therefore, if you really need to be in the open air, the lower your level of physical activity, do not jump, do not sing, do not we dance.