Nitrogen Dioxide NO2

NO2 hourly exceedances

Below are the latest dates of the NO2 hourly limit value (200 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

Alert threshold of NO2 is 400 µg/m3. Learn more about Alert thresholds 

All data are preliminary and subject to change.