RIVM warns of smog
The next few days is the air quality in the Netherlands is bad. This warns the national Institute for public Health and the Environment (RIVM).
People with respiratory conditions and the elderly are advised to especially in the afternoon and the early evening to stay inside and people who are outdoors working or active in other ways, get the advice serious effort to avoid.
To Friday, the chance of smog by ozone considerably higher. This smog occurs when there is little wind and there are many pollutants in the air.
Under the influence of sunlight, which substances are converted into ozone. In the Netherlands, especially in the spring and summer; in other seasons there is not enough sunlight for the formation of ozone.