Low (Index 1-3)
Moderate (Index 4-6)
High (Index 7-10)
Very High (Index 10)
No data
Latest Data: Updated 09/09/2010 11:00 GMT
| Parameter | Index | Pollution Band | Concentration | Period |
|---|---|---|---|---|
| Nitrogen dioxide (NO2) | 1 | LOW | 13 µgm-3 | Hourly mean |
| Nitric oxide (NO) | not applicable | 13 µgm-3 | Hourly mean | |
| Nitrogen oxides as nitrogen dioxide (NOXasNO2) | not applicable | 32 µgm-3 | Hourly mean | |
Note: Values are based on provisional data. Data are GMT hour ending