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Air pollution by Ozone
Regions and cities, Environment
Ground-level ozone has negative impacts on human health and vegetation. High levels in particular lead to irritation of the respiratory tract and lung tissue. In plants, high oz...
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Tranquillity Areas
Regions and cities, Environment
Based on the "Tranquillity Map of the Swiss Plateau" and its calculated "tranquillity" values, certain recreational areas were derived. For this purpose, areas that did not fall...
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Geochemical soil atlas of Switzerland: Sodium
Regions and cities, Environment
Interpolierte Natrium-Konzentrationen (mg/kg Feinerde) in den Oberböden (0–20 cm) der Schweiz. Für die Ordinary Kriging Interpolationen (1 km x 1 km) wurden Messdaten von insges...
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Air pollution by particulate matter PM10
Regions and cities, Environment
"Particulate matter" (PM10) refers to particles less than 10 micrometres in diameter. These particles are formed during industrial and commercial production processes, combustio...
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Grayling population of national importance: distribution area
Regions and cities, Environment
The data on grayling populations of national im-portance includes four subproducts; the distribution area layer includes the sections of watercourses with 20 major grayling popu...
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Windstorm: Gusts at return period 100 years
Regions and cities, Environment
The Windstorm Risk Maps show peak wind gusts and their dynamic pressure and the corresponding uncertainties. The maps provide a country-wide basis for the estimation of the regi...
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Grayling population of national importance: spawning grounds
Regions and cities, Environment
The data on grayling populations of national importance includes four sub-products; the spawning grounds layer includes the areas in which natural reproduction occurs. The core ...
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Windstorm: Dynamic Pressure at return period 100 years
Regions and cities, Environment
The Windstorm Risk Maps show peak wind gusts and their dynamic pressure and the corresponding uncertainties. The maps provide a country-wide basis for the estimation of the regi...
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Swiss water topographical catchment areas: Main river section
Regions and cities, Environment
The data set “Main river section” is part of the geo dataset “Swiss water topographical catchment areas”. The main river in a catchment area is the body of water that leaves t...
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Federal Inventory of Dry Grasslands of National Importance
Regions and cities, Environment
Dry grasslands are habitats with a wide variety of species that are marked by agricultural use. In accordance with the Federal Act on Protecting Nature and Cultural Heritage, th...
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Amphibians appendix 3
Regions and cities, Environment
There are currently 19 different amphibian species that live in Switzerland, and nearly all of them are included in the Red List of Threatened Species. The areas that contain we...
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Lothar 1999 storm damage inventory
Regions and cities, Environment
The aim of the federal government’s “Lothar” storm damage inventory was to produce a complete and uniform database of total and partial damage to forests throughout Switzerland....
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Grayling population of national importance: core areas
Regions and cities, Environment
The data on grayling populations of national importance includes three subproducts; the core zones layer includes the areas of particular importance for grayling populations, ba...
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Geochemical soil atlas of Switzerland: Thallium
Regions and cities, Environment
Interpolierte Element-Konzentrationen (mg/kg Feinerde) in den Oberböden (0–20 cm) der Schweiz. Für die Ordinary Kriging Interpolationen (1 km x 1 km) wurden Messdaten von insges...
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Residual flow map of Switzerland: catchment
Regions and cities, Environment
The Federal Act of 24 January 1991 on the Protection of Water against Pollution (LPEP) and its provisions on residual flows came into force on November 1, 1992 in Kraft getreten...
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General situation of rivers and lakes
Regions and cities, Environment
The map shows the current Swissriver discharges and lake water levels compared with the monthly percentiles of the long term hourly averages (expressed in percentiles). The perc...
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NAQUA-QUANT Monitoring sites (NAQUA National groundwater monitoring)
Regions and cities, Environment
Groundwater is the result of the percolation of rainfall and the infiltration of river water. Groundwater levels and spring discharges therefore respond – though possibly with a...
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Forest fire prevention measures of the cantons
Agriculture, fisheries, forestry and food, Regions and cities, Environment
Contains the forest fire prevention measures currently in force in the cantons.
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Geochemical soil atlas of Switzerland: Manganese
Regions and cities, Environment
Interpolierte Element-Konzentrationen (mg/kg Feinerde) in den Oberböden (0–20 cm) der Schweiz. Für die Ordinary Kriging Interpolationen (1 km x 1 km) wurden Messdaten von insges...
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Percentage of stocking along rivers
Regions and cities, Environment
Vegetation performs important functions. It provides shade for rivers, thus reducing peak water temperatures. In the context of global warming, this is increasingly important. F...
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Water temperature of rivers and streams
Regions and cities, Environment
The map provides an overview of current water temperatures in Switzerland's rivers.
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Federal Inventory of Floodplains of National Importance
Regions and cities, Environment
Floodplains, namely natural habitats in the flood zones of watercourses, are in decline. The scientific inventory of floodplains was commissioned by the FDHA in May 1981 and com...
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Comparison of discharge and water gauge data with hazard levels
Regions and cities, Environment
The map shows the current discharge at all the stations, as compared with flood hazard levels.
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Relative air humidity in the year, period 1981-2010
Regions and cities, Environment
The map shows the mean relative air humidity at 13:30 in the year for the period 1981-2010. For the area-wide calculation the climate stations of MeteoSwiss served as support po...
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Underground flow paths in karst regions
Regions and cities, Environment
The Underground flow paths layer indicates the probable direction taken by the groundwater in karst regions within the catchments towards the relevant spring. These interpretati...