Sulphur Dioxide SO2

SO2 daily exceedances

Below are the latest dates of the SO2 24-hour limit value (125 µg/m3) exceedances, the concentration at the time of exceedance, and the total number of exceedances during the current year at each site. Learn more about Limit Values

Below are the latest dates of the SO2 hourly limit value (350 µg/m3) exceedances, the concentration at the time of exceedance, and the total number of exceedances during the current year at each site. Learn more about Limit Values

All data are preliminary and subject to change.