Hourly updated air quality measurements, since 1983

This dataset includes **hour readings since 1983 to the last current hour**, divided into annual files. This includes the **hourly averages** of the corresponding year for the stations Stampfenbachstrasse, Schimmelstrasse, Rosengartenstrasse and Heubeeribüel. Ozone (O3), nitrogen oxides (NOx), nitric oxide (NO), nitrogen dioxide (NO2), particulate matter (PM10 and PM2.5), carbon monoxide (CO) and sulphur dioxide (SO2) are measured where available in sufficient quality. The average hourly values of the current year are updated 30 minutes after the full hour.