Air pollution: real time data

The National Air Pollution Monitoring Network (NABEL) and cantonal and urban monitoring networks provide information on current concentrations of the principal pollutants.

Further information

The procedure followed does not allow interpretations at small scale. As a result, concentrations may locally be higher or lower than the mean values shown on the maps.

https://www.bafu.admin.ch/content/bafu/en/home/topics/air/state/data/air-pollution--real-time-data.html