Sevenoaks 1 closed on 01/09/1997. You can still view any information available using the Site Information tab, or find data in the Data section.
| Pollutants shown in graph | |
|---|---|
| Parameter | Parameter Name |
| O3 | Ozone |
| NO | Nitric oxide |
| NO2 | Nitrogen dioxide |
| NOXasNO2 | Nitrogen oxides as nitrogen dioxide |
| SO2 | Sulphur dioxide |
| Parameter | Date Started | Date Ended |
|---|---|---|
| Ozone | 29/04/1996 | 01/09/1997 |
| Nitric oxide | 29/04/1996 | 01/09/1997 |
| Nitrogen dioxide | 29/04/1996 | 01/09/1997 |
| Nitrogen oxides as nitrogen dioxide | 29/04/1996 | 01/09/1997 |
| Sulphur dioxide | 29/04/1996 | 01/09/1997 |