| Areas | Sites | Annual Mean N02 ug/m3 |
|||
2004 |
2005 |
2006 |
2007 |
||
| Wolfe Road | 17 |
20 |
18 |
20 |
|
| Keats Road | 18 |
16 |
18 |
18 |
|
| Foxhill Medical Centre | 19 |
22 |
23 |
23 |
|
| Birley Carr Church | 19 |
19 |
18 |
20 |
|
| Chaucer School | 19 |
19 |
23 |
23 |
|
The above figures are bias adjusted.