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Current drought hazard level
Regions and cities, Environment
The drought warning map shows the current drought hazard (issued at levels 1, 2 and 4) for all regions of Switzerland. The hazard level results from a weekly expert assessment o...
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Current drought situation in Switzerland
Regions and cities, Environment
The map shows the combined drought index for each region. This index summarises in one value the various factors affecting drought: precipitation, modelled soil moisture and dis...
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Number of generally accessible charging points in the ‘Flexible’ charging...
Education, culture and sport, Energy, Regions and cities, Environment
The map shows how many generally accessible charging points should be available in the selected municipality in 2035 in order to meet the charging demand. A charging point is a ...
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Solar irradiation on a horizontal surface
Education, culture and sport, Energy, Regions and cities, Environment
The irradiation maps show the solar radiation on a south-facing surface for four different inclinations: Horizontal, 30°, 75° and 90°. The data is based on Switzerland-wide mode...
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National Long-Term Surveillance of Swiss Rivers
Regions and cities, Environment
The National River Monitoring and Survey Programme (NADUF) tracks the concentrations of substances occurring in selected Swiss watercourses. NADUF, launched in 1972, is a projec...
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Balance areas (catchment areas) HADES
Regions and cities, Environment
The balance areas form the middle layer of the system of catchment areas that describe Switzerland’s hydrographical structure (Hydrological Atlas of Switzerland, HADES). They ar...
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Diffuse total phosphorus inputs into waters
Regions and cities, Environment
Phosphorus inputs into waters represent an undesirable pollution load. A total of some 3,400 tonnes of total phosphorus (dissolved and particulate phosphorus) enter Swiss waters...
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Cantonal & private gauging stations (HADES 5.1.2)
Regions and cities, Environment
This set of data represents the locations of hydrometric gauging stations belonging to cantons (data source: “KANTON”) and private owners (data source: “HADES”). The data was co...
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Basis for determining Q347 flow rate
Regions and cities, Environment
The Water Protection Act specifies how appropriate residual flows can be determined. This applies to new water withdrawals and also to existing withdrawals for which concessions...
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Diffuse dissolved phosphorus inputs into waters, modelled values
Regions and cities, Environment
Phosphorus inputs into waters represent an undesirable pollution load. Over recent decades high inputs of dissolved phosphorus have led to eutrophication of the lakes of the cen...
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HQStat flood statistics
Regions and cities, Environment
Data on flood events is managed and statistically evaluated by the FOEN; the findings are made available in the form of result sheets. A systematic statistical evaluation of flo...
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Hydrological study areas
Regions and cities, Environment
Since 1957 the hydrology division of the FOEN has operated a network of hydrological study areas aimed at observing long-term changes in the water regime within Switzerland’s mo...
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Diffuse total nitrogen inputs into waters, modelled values
Regions and cities, Environment
Nitrogen inputs into waters represent an undesirable pollution load. Under the Convention for the Protection of the Marine Environment of the North-East Atlantic (OSPAR), Switze...
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Numeric data from drought platform
Regions and cities, Environment
This dataset includes all numerical data published on the national drought platform. For all drought-related variables, historical time series are available since 1991 with mont...
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Gauging stations for hydrological study areas
Regions and cities, Environment
Since 1957 the hydrology division of the FOEN has operated a network of hydrological study areas aimed at observing long-term changes in the water regime within Switzerland’s mo...
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Mean runoff (m³/s) and flow regime types for the river network of Switzerland
Regions and cities, Environment
For the entire Swiss river network natural runoff (m³/s) values (monthly and annual means) have been modeled and the flow regime types determined. «MQ-GWN-CH» constitutes a data...