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The popular Czech application Ventusky displays a considerable amount of weather data (e.g. the development of precipitation, wind, temperatures and snow cover). As of today, it also displays air quality data. Thanks to cooperation with the Finnish Meteorological Institute (FMI), the Czech company has made available a considerable amount of data on air quality for the whole world. For Europe, data is available at a high resolution of 8 km.

Users can view expected concentrations of all major air pollutants. This is, for example, nitrogen dioxide (NO2), which is mainly produced by combustion engines of cars. Conversely, SO2 and CO are mainly produced by heating plants and power plants burning fossil fuels. Airborne dust (PM10 and PM2.5) then comes from a whole range of activities, e.g. from the burning of coal, oil, wood, extraction of raw materials, etc. These substances are very dangerous to human health at higher concentrations and it is therefore important to monitor them. On Ventusky, users will learn what their readings are expected to be in the next five days and in which areas the concentrations will be highest or lowest.

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The data is publicly accessible to all visitors on the Ventusky.com website or in the native application on iPhone and iPad. The information aims to raise visitors' awareness of hazardous substances in the air and help them adapt their daily activities in polluted areas.

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