Traffic, Greenwich (Hansard, 16 June 1992)

HC Deb 16 June 1992 vol 209 cc445-6W 445W

§ Mr. Raynsford
To ask the Secretary of State for the Environment, pursuant to his answer of 9 June,Official Report, column 154, if he will publish figures on the increase in black smoke concentrations in the Greenwich area in recent years.
446W

§ Mr. Maclean
The annual mean black smoke concentrations measured at the Greenwich site in u.g/m³ were as follows:

Year

1985–86 7

1986–87 13

1987–88 11

1988–89 14

1989–90 18

1990–91 20

Year
1985–86	7
1986–87	13
1987–88	11
1988–89	14
1989–90	18
1990–91	20