Nitrogen Dioxide and Ozone levels in Swords, Co. Dublin.

Data from Nitrogen Dioxide and Ozone levels in Swords, Co. Dublin.

The units for nitrogen Dioxide and Ozone are in microgrammes per cubic meter.

  • The NO2 hourly limit of 200 ug m-3 is deemed breached if more than 18 exceedances have occurred.
  • The O3 information threshold is 180 ug m-3.

The Graph shows the latest available results over the last 7 days.

This data has not yet been validated as it is received automatically from the site.

Sharp changes are often due to maintenance or other instrument effects and should be treated cautiously.