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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.
To view a data file, click on the link. To download a file hold down the Shift key, then click on the link.
| Bromley Roadside | |||
|---|---|---|---|
| Nitrogen dioxide | Nitric oxide | Oxides of nitrogen | Carbon monoxide |
| 1998 | 1998 | 1998 | 1998 |
| 1997 | 1997 | 1997 | 1997 |