Figure 7.9: Annual sulphur dioxide (SO2) levels at Penrose, Auckland, 1975–2000
Return to the point in the document where this figure is located.
Note: µg/m3 = micrograms per cubic metre.
Data source: Auckland Regional Council, 2006a.
Text description of figure
Year |
Annual average µg/m3 |
|---|---|
1975 |
20 |
1976 |
18 |
1977 |
20 |
1978 |
27 |
1979 |
22 |
1980 |
25 |
1981 |
16 |
1982 |
8 |
1983 |
7 |
1984 |
4 |
1985 |
2 |
1986 |
3 |
1987 |
3 |
1988 |
3 |
1989 |
3 |
1990 |
2 |
1991 |
2 |
1992 |
5 |
1993 |
4 |
1994 |
4.3 |
1995 |
3.5 |
1996 |
6.8 |
1997 |
9.5 |
1998 |
13.3 |
1999 |
15.1 |
2000 |
12.1 |
