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.
Monitoring at this site was completed on 13th January 2005. The Clonmel site is located in the centre of the town. Monitoring began on 11th June 2004. Monitoring was done by a mobile unit containing continuous monitors for sulphur dioxide, nitrogen oxides, carbon monoxide, ozone, PM10 and benzene. Some results can be viewed through the link above. Metals in air are measured by pumping air through filters which are changed at regular intervals.
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