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.
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The Drogheda North site was located on the Termonfeckin Road, a rural area 3 miles north of Drogheda town centre. Monitoring was done using a continuous monitor for PM10. Monitoring at this site finished on the 16th December 2009.
