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Ozone levels rise due to heat and pollution

A combination of high temperatures and pollution means that there are currently high concentrations of ozone in the air. On Tuesday it is likely that the European ozone limit will be exceeded and it could be the case that the level at which an ozone alarm is triggered will be reached in the next few days. Excess ozone is especially problematic for people with long disease, the elderly and young children. These groups are advised to refrain from physical exertion and to remain indoors if possible.