| Areas | Sites | Annual Mean N02 ug/m3 |
|||
2004 |
2005 |
2006 |
2007 |
||
| Westwick Crescent | 17 |
16 |
18 |
18 |
|
| Key Homecare | 24 |
21 |
22 |
24 |
|
| St Peter's Church | 19 |
18 |
17 |
21 |
|
| Greenhill Library | 20 |
19 |
21 |
23 |
|
| Bocking Lane | 25 |
24 |
23 |
28 |
|
The above figures are bias adjusted.