• What are Diffusion Tubes?
Areas Sites
Annual Mean N02 ug/m3
2004
2005
2006
2007
bullet Brinsworth and Catcliffe Ann's Grove School
25
23
 -
-
bullet Handsworth and Darnall Chesterfield Road
50
43
52
-
bullet Burngreave Heeley Green
33
29
 -
-
bullet Tinsley Myrtle Road
24
20
22
26
bullet Heeley Heeley Bank Road
39
33
36
42
bullet Foxhill London Road
53
50
52
53
bullet Neepsend Daresbury Road
 -
 -
 -
28
bullet Greenhill East Bank Road
 -
 -
 -
30
bullet Firvale          
bullet Broomhall          
bullet City Wide          
bullet LTP-Chesterfield Rd          
bullet LTP-S10 tubes          
           

The above figures are bias adjusted.