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Map of the recent earthquakes (last 90 days) in and around Switzerland
Regions and cities, Environment
The map of the earthquakes of the last 90 days shows the current seismic activity in Switzerland and the nearby regions recorded by the Swiss Seismological Service at the ETH Zu...
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Mean runoff in the future - results from the Hydro-CH2018 project
Regions and cities, Environment
The map shows the percentage changes in summer runoff towards the end of the century (2070-2099) compared to the reference period (1981 - 2010) as calculated in the hydrological...
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Air pollution by nitrogen dioxide
Regions and cities, Environment
The term "nitrogen oxides" (NOx) embraces nitrogen dioxide (NO₂) and nitrogen monoxide (NO). Nitrogen oxides form in the combustion of motor and heating fuels, especially when c...
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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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Assessment of the Biological Water Status: Diatoms
Regions and cities, Environment
Within the National Surface Water Quality Monitoring Programme (NAWA), water quality is recorded jointly by the federal and cantonal authorities at around 100 monitoring station...
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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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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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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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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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Water status monitoring stations CH
Regions and cities, Environment
The data set represents the monitoring stations where the water status is recorded. The cantons are responsible for water protection enforcement, as they are for other environme...
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NQStat low-flow statistics
Regions and cities, Environment
A wide variety of parameters may be used to describe low-flow events. The FOEN Hydrology Division's low-flow statistics are based on the recommendations of the German Associatio...
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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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Water temperature monitoring stations
Regions and cities, Environment
The data set represents the locations of the stations in the water temperature monitoring network of the Hydrology Department of the Federal Office for the Environment (FOEN). I...
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Alpine Floodplains outside of the federal inventary
Regions and cities, Environment
As past of the systematic inventory of flood plains, properties that were until recently not evaluated as having national significance will also be included in the federal inven...
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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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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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HWGWP flood crest gauge
Regions and cities, Environment
This set of data depicts the locations of the federal flood measuring stations, known as "Hochwassergrenzwertpegel". The data was collected in 2005; readings are no longer being...
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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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Invasive alien plants - map of the potential area N.N.
Agriculture, fisheries, forestry and food, Regions and cities, Environment
The set of invasive alien plants shows the maps of the potential areas of 56 alien plants species present in Switzerland as well as some invasive species present in neighboring ...
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Groundwater temperature
Regions and cities, Environment
The map provides an overview of Switzerland's current groundwater temperatures. The calculation is based on percentiles of the dataset for the standard period 1991–2020 or, in t...
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Invasive alien plants - map of the potential area N.N.
Agriculture, fisheries, forestry and food, Regions and cities, Environment
The set of invasive alien plants shows the maps of the potential areas of 56 alien plants species present in Switzerland as well as some invasive species present in neighboring ...
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Monthly soil erosion risk maps for Swiss permanent grassland, with average...
Regions and cities, Environment
Monthly soil erosion risk maps for Swiss permanent grassland with a spatial resolution of 100m. The maps show the average soil loss in tonnes per hectare and month. Shades of gr...
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Monthly soil erosion risk maps for Swiss permanent grassland, with average...
Regions and cities, Environment
Monthly soil erosion risk maps for Swiss permanent grassland with a spatial resolution of 100m. The maps show the average soil loss in tons per hectare and month. Shades of gree...
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Monthly soil erosion risk maps for Swiss permanent grassland, with average...
Regions and cities, Environment
Monthly soil erosion risk maps for Swiss permanent grassland with a spatial resolution of 100m. The maps show the average soil loss in tons per hectare and month. Shades of gree...
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Monthly soil erosion risk maps for Swiss permanent grassland, with average...
Regions and cities, Environment
Monthly soil erosion risk maps for Swiss permanent grassland with a spatial resolution of 100m. The maps show the average soil loss in tons per hectare and month. Shades of gree...