Automatic Site Data - London A3 Roadside

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.
To view a data file, click on the link. To download a file hold down the Shift key, then click on the link.
NB. Some 1998 and 1999 data is as yet unratified. Details in the relevant files.

For detailed information about this site, see the Site Information Archive

London A3 Roadside
Nitrogen Dioxide	Nitric Oxide	Oxides of Nitrogen	Carbon Monoxide	Particles
2002	2002	2002	2002	2002
2001	2001	2001	2001	2001
2000	2000	2000	2000	2000
1999	1999	1999	1999	1999
1998	1998	1998	1998	1998
1997	1997	1997	1997	1997

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