Table 4.1: Summary data for SO2 monitoring in Auckland
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| 1992 |
1993 |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000 |
2001 |
|
|---|---|---|---|---|---|---|---|---|---|---|
|
One-hour average SO2 concentrations, Penrose (ACI) |
||||||||||
|
% valid data |
80% |
|||||||||
|
Hours > 350 gm-3 |
0 |
|||||||||
|
99.9 %ile gm-3 |
94 |
|||||||||
|
Maximum gm-3 |
165 |
|||||||||
|
24-hour average SO2 concentrations, Penrose (ACI) |
||||||||||
|
% valid data |
94% |
96% |
94% |
96% |
97% |
96% |
100% |
99% |
95% |
79% |
|
Days > 120 gm-3 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
99.9 %ile gm-3 |
16 |
12 |
25 |
15 |
30 |
23 |
39 |
30 |
28 |
62 |
|
Maximum gm-3 |
17 |
21 |
31 |
17 |
43 |
24 |
48 |
32 |
30 |
69 |
