| Areas | Sites | Annual Mean N02 ug/m3 |
||||
2004 |
2005 |
2006 |
2007 |
2008 |
||
| Wicker | - |
- |
- |
41 |
42 |
|
| Ladys Bridge | - |
- |
- |
77 |
43 |
|
| Gibraltar Street | - |
- |
- |
41 |
34 |
|
| Penistone Road | - |
- |
- |
55 |
49 |
|
The above figures are bias adjusted.