Benzo (a) Pyrene Levels at Castlebar

Benzo(a)Pyrene (BaP) is measured as part of the particulate matter (PM10) sampling. Particulate matter sampled filters are extracted and analysed in the lab.

The latest available results for benzo(a)pyrene are:


Benzo(a)pyrene monitoring commenced at this site in January 2014.


Average Concentration: 0.65 ng m-3
Averaging Period: 1 Jul 2016 - 30 Jun 2017


This is below the limit value of 1 ng m-3