Year 2007 - NO2 Diffusion Tubes Results (PPB)












Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
IW4a
18.97
18.51
Disc








IW4b
19.76
20.34
Disc








IW4c
20.90
20.58
0
0
0
0
0
25.04
23.38
27.58
27.74
20.32
IW8
17.64
18.87
Disc








IW10a
10.34
13.23
12.35
17.49
10.69
12.26
11.48
13.43
11.85
15.29
13.73
15.22
IW10b
9.77
12.83
Disc








IW10c
10.25
12.94
Disc




































Page last updated on: 23/07/2008