| Areas | Sites | Annual Mean N02 ug/m3 |
|||
2004 |
2005 |
2006 |
2007 |
||
| Town Street | 53 |
43 |
51 |
53 |
|
| Seimens Close | 46 |
43 |
48 |
47 |
|
| Greasebro Road | 40 |
42 |
41 |
44 |
|
| Ferrars Road | 37 |
38 |
33 |
37 |
|
| Ingfield Avenue | 44 |
39 |
40 |
37 |
|
| Sheffield Road | - |
- |
38 |
38 |
|
| Ferrars Road | - |
- |
31 |
33 |
|
| Ferrars Road | - |
- |
32 |
32 |
|
The above figures are bias adjusted.