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.

Ozone-trends for 20.05.2022: West ⬀ , East ⬀ , South ⬀

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