The above index is for overall Air Quality in Zone D 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 D.
The Longford site is located on the Dublin Road, less than a mile from Longford town centre town centre. Monitoring is done using a continuous monitor for PM2.5. The most recent results can be viewed through the link below. Monitoring began at this site on the 14th May 2010.
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