Particulate Matter levels at Portlaoise

Data from Particulate Matter levels at Portlaoise



The measurement units for particulate matter are in microgrammes per cubic meter.

The Graph shows the latest available data for particulate matter (PM10) over the last 30 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.

The particulate matter (PM10) daily limit of 50 ug m-3 is deemed breached if more than 35 exceedances occur in a calendar year.

There has been 1 exceedance at this site to date in 2018.


Check out our 'what we monitor' page for more information on particulate matter.