Automatic Site Data - Cromwell Rd


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Within the table, each year is a link to a file containing one year of data for the pollutant at the head of the column. Data is presented as hourly averages for all pollutants. For sulphur dioxide, the highest 15min average recorded during the day is also included, for EPAQS exceedence calculations.
To view a data file, click on the link. To download a file hold down the Shift key, then click on the link.
For detailed information about this site, see the Site Information Archive

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At the Cromwell Rd kerbside site, Oxides of nitrogen have been measured from 1973 - 86 and 1989 - present. Carbon monoxide has been measured from 1973 - 85 and 1988 - present. Sulphur dioxide has been measured from 1973 - 85 and from 1989 - present.
There are also two years of ozone data - 1973 and 1974. (They are linked here, not in the table)


The Cromwell Rd site ceased monitoring on 12/9/96, then re-started on 20/5/98. The new site is located in the gardens of the Natural History Museum.
Cromwell Rd New Site
Nitrogen dioxide Nitric oxide Oxides of nitrogen Carbon monoxide Sulphur dioxide Hourly Means Sulphur dioxide 15 minute Means
2002 2002 2002 2002 2002 2002
2001 2001 2001 2001 2001 2001
2000 2000 2000 2000 2000 2000
1999 1999 1999 1999 1999 1999
1998 1998 1998 1998 1998 1998
Cromwell Rd Old Site
Nitrogen dioxide Nitric oxide Oxides of nitrogen Carbon monoxide Sulphur dioxide Hourly Means Sulphur dioxide 15 Minute Means
1996 1995 1994 1996 1995 1994 1996 1995 1994 1996 1995 1994 1996 1995 1994 1996 Not Available Not Available
1993 1992 1991 1993 1992 1991 1993 1992 1991 1993 1992 1991 1993 1992 1991 Not Available Not Available Not Available
1990 1989 1990 1989 1990 1989 1990 1989 1988 1990 1989
1986 1985 1986 1985 1986 1985 1985 1985
1984 1983 1982 1984 1983 1982 1984 1983 1982 1984 1983 1982 1984 1983 1982
1981 1980 1979 1981 1980 1979 1981 1980 1979 1981 1980 1979 1981 1980 1979
1978 1977 1976 1978 1977 1976 1978 1977 1976 1978 1977 1976 1978 1977 1976
1975 1974 1973 1975 1974 1973 1975 1974 1973 1975 1974 1973 1975 1974 1973
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