Historical data

How has the pattern of air pollution changed in recent days, months and years? Data from the monitoring networks provides the answers.

Daily values

The National Air Pollution Monitoring Network (NABEL) measures air pollution levels at 16 locations with varying pollution situations in Switzerland.

Teaser Maps of air pollution levels

Maps of annual values

Based on model calculations and on the levels measured at monitoring stations operated by the federal government, cantons and municipalities, maps of the air pollution are calculated with the aid of an interpolation procedure.

Maps of daily values

Based on model calulations and on the levels measured at monitoring stations operated by the federal government, cantons and municipalities, maps of the air pollution are calculated with the aid of an interpolation procedure.

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Last modification 06.07.2023

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