Download CSV data files for monitoring sites

Within the table, each year is a link to a file containing one year of data for the pollutant at the head of the column. Data is presented as hourly averages for all pollutants. For sulphur dioxide, the highest 15min. average recorded during the day is also included, for EPAQS exceedence calculations.

The Air Quality Summary from 1998 to 2006. Please click on the links below to access the data tables.

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