Year 2006 - NO2 Diffusion Tubes Results (PPB)
















Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
IW4a
21.82
23.43
15.70
13.48
16.79
20.94
19.92
20.19
21.89
20.96
23.40
19.35
IW4b







19.26
18.79
21.97
23.16
20.64
IW4c







20.85
17.66
21.94
23.80
19.83
IW8
19.15
17.91
16.58
14.85
19.39
27.06
0
22.03
23.88
20.34
20.47
17.33
IW10a







10.52
14.60
12.99
12.31
10.30
IW10b







9.92
12.31
13.89
13.23
11.94
IW10c







9.23
10.93
12.99
12.74
12.46




























Page last updated on: 30/05/2007