The above index is for overall Air Quality in Zone C and not just at this station. The index is calculated based on the latest available measurements of ozone, nitrogen dioxide, PM10 and sulphur dioxide in Zone C.
The Carlow site is located in the fire station on the north side of the town. Monitoring began on 12th July 2004 and concluded on March 14th 2005. The results are available via the link below.
Monitoring was done by a mobile unit containing continuous monitors for sulphur dioxide, nitrogen oxides and benzene. PM10 was measured by collecting particulate matter on a filter and analysing it in the laboratory.
Metals in air were measured by pumping air through filters which were changed at regular intervals.
