HC Deb 16 December 1958 vol 597 c167W
Mr. Frank Allaun

asked the Minister of Housing and Local Government and Minister for Welsh Affairs if he will give figures comparing the Manchester and Salford area with the average for other

AVERAGE DAILY FIGURES OF SMOKE IN MILLIGRAMMES PER 100 CU. METRES
— 1954–55 1955–56 1956–57 1957–58
S W Y S W Y S W Y S W Y
Salford No. 2 … 30 58 44 37 66 52 32 64 48 35 63 49
Manchester No. 9 … 20 28 24 14 37 26 21 30 26 18 36 27
Average for the Country High* … 44 62 53 31 81 56 40 68 54 38 71 55
Average … 13 25 18 12 32 22 13 27 21 12 27 20
Low … 1 1 1 1 3 3 1 2 2 1 2 2
* The High figures show the mean of the smoke concentrations for the sites where the highest levels, averaged over the year, were observed. These sites changed a little year by year but in the four years have included sites in Glasgow, Leeds, London, Newcastle-on-Tyne, St. Helens, Salford, Sheffield, Wednesfield and Willenhall.
AVERAGE DAILY FIGURES OF SULPHUR DIOXIDE IN PARTS PER 100 MILLION
— 1954–55 1955–56 1956–57 1957–58
S W Y S W Y S W Y S W Y
Salford No. 2 … … … 10 19 15 15 19 17 9 18 14 8 19 14
Manchester No. 9 … … … 7 12 10 7 16 12 7 12 10 7 14 11
Average for the Country:
High* … … … 9 18 14 10 19 14 9 17 13 9 17 13
Average … … … 5 10 8 5 11 9 5 9 7 5. 9 7
Low … … … 2 3 3 2 3 3 2 3 3 1 2 2
* The High figures show the mean of the sulphur dioxide concentrations for the sites where the highest levels, averaged over the year were observed. These sites changed a little year by year, but in the four years included sites in Leeds, London, Salford and Sheffield.

Notes
1. S = Summer. W Winter. Y Yearly.
2. Salford No. 2 and Manchester No. 9 measurement stations are the only ones in the area where daily measurements of smoke and sulphur dioxide are taken. Salford No. 2 is in Regent Road, 1 mile S.S.E. of the city centre, in a residential, commercial and manufacturing district. Manchester No. 9 is at Rusholme, Whitworth House, 1¾miles S.S.E. of the city centre. The surrrounding district is residential.