Benzene Levels at Portlaoise, Co Laois

The Environmental Protection Agency manages the National Ambient Air Quality Network. Find out more information on what we monitor.


BTEX monitoring finished on 31st December 2014. The monitored results are:

 Averaging Period: 01 August 2014 - 31 December 2014



Average Concentration: 0.34 ug m-3

This is below the lower assessment threshold of 2.0 ug m-3.


Average Concentration: 0.65 ug m-3

There is no limit value for toluene

 Ozone Precursor Compounds

The following compounds are also measured at Portlaoise: ethlybenzene, o-xylene, m-xylene and p-xylene.


Average Concentration: 0.07 ug m-3


Average Concentration: 0.23 ug m-3


Average Concentration: 0.08 ug m-3