P412 CEEFAX 412 Sat 26 Aug 18:54/17 1/5 ZONE 5pm Sat 26 Aug Wales, Scotland & N.Ireland Air Level Quality Typb) U"BAN sites Edinburgh Centre Very Good 16 Belfast Centre Very Good 14 Cardiff Centre Very Good 14 Swansea Centre Very Good 5 RURAL sites North Scotland - - Mid-Scotland - - South Scotland - - Northern Ireland - - Mid-Wbles - - Data from Department of Environment N England C England S England RjgionAirP412 CJEFAX 412 Sat 26 Aug 18:53/11 2/5 SULPHUR DIOXIDE 5pm Sat 26 Aug Wales, Scotland & N.Ireland Air Level Quality Xypb) URBAN sites Edinburgh Cjntri Very Good 8 Belfast East Very Good 5 Belfast Centre Very Good 2 Cardiff Centre - - Swansea Centre Very Good 2 RURAL sites North Scotland - - Data from Department of Environment N England C England S England RjgionAirP412 CEEFAX 412 Sat 26 Aug 18:54/13 3/5 NITROGEN DIOXIDE 5pm Sat 26 Aug Wales, Scotland & N.Ireland Air Level Quality (ypb) U"BAN sites Edinburgh Centre Very Good 27 Glasgow Very Good 32 Belfast Centre Very Good 7 Cardiff Centre Very Good 17 Swansea Centre Very Good 21 RURAL sites North Scotland - - Data from Department of Environment N England C England S England RjgionAirP412 CEEFAX 412 Sat 26 Aug 19:04/18 4/5 BENZENE Wales, Scotland & N.Ireland For 24 hours to Avg Year 5pm Sat 26 August ppb avg All sites are URBAN Edinburgh Cjntri Low .5 .7 Cardiff Centre Low .73 1.4 Belfast Centre Low .46 .98 Benzene is a substance that can cause cancer. Independent health experts have advised that a yearly average of 5 parts per billion(ppb) presents an exceedingly small risk to health. Data from Department of Environment N England C England S England RjgionAirP412 CEEFAX 412 Sat 26 Aug 18:54/14 5/5 1,3-BUTBDIENE Wales, Scotland & N.Ireland For 24 hours to Avg Year 5pm Sat 26 August ppb avg All sites are URBAN Edinburgh Centre Low .11 .19 Cardiff Centre Low .12 .27 Belfast Centre Low .11 .24 1,3-Butadienj is a substance that can cause cancer. Indjpjndjnt health experts have advised that a yearly average of 1 part per billion(ppb) presents an exceedingly small risk to health. Data from Department of Environment N England C England S England RjgionAir