| Areas | Sites | Annual Mean N02 ug/m3 |
|||
2004 |
2005 |
2006 |
2007 |
||
| Ann's Grove School | 25 |
23 |
- |
- |
|
| Chesterfield Road | 50 |
43 |
52 |
- |
|
| Heeley Green | 33 |
29 |
- |
- |
|
| Myrtle Road | 24 |
20 |
22 |
26 |
|
| Heeley Bank Road | 39 |
33 |
36 |
42 |
|
| London Road | 53 |
50 |
52 |
53 |
|
| Daresbury Road | - |
- |
- |
28 |
|
| East Bank Road | - |
- |
- |
30 |
|
The above figures are bias adjusted.