| Areas | Sites | Annual Mean N02 ug/m3 |
||||
2004 |
2005 |
2006 |
2007 |
2008 |
||
| Dovecourt Road | - |
- |
- |
27 |
29 |
|
| Blackwell Close | - |
- |
- |
26 |
27 |
|
| Ingram Court | - |
- |
- |
25 |
26 |
|
| Bard Street | - |
- |
- |
38 |
39 |
|
The above figures are bias adjusted.