Ozone, Nitrogen Dioxide and Sulphur Dioxide levels in Cork City

Data from Ozone, Nitrogen Dioxide and Sulphur Dioxide levels in Cork City

The measurement units for these gases are micrograms per cubic meter.

  • The NO2 hourly limit of 200 ug m-3 is deemed breached if more than 18 exceedances have occurred. 
  • The SO2 hourly limit of 350 ug m-3 is deemed breached if more than 24 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 calbration / maintenance effects and should be treated cautiously.