P415 CEEFAX 415 Thu 31 Aug 19:14/17 1/5 OZONE 6pm Thu 31 Aug Southern England Air Level Quality (ppb) U$BAN sites London Bloomsbury Very Good 5 London Victoria Very Good 9 Bristol Centre Very Good 11 London Bexley Very Good 24 S'hampton Centre Very Good 18 RURAL sites East Anglia Very Good 28 xfordshire Very Good 28 East Sussex Very Good 22 Devon Very Good 41 Data from Department of Environment Skiing RjgionAir US Maps TravelP415 CJEFAX 415 Thu 31 Aug 19:14/36 2/5 SULPHUR DIOXIDE 6pm Thu 31 Aug Southern England Air Level Quality hppb) URBAN sites London Bloomsbury Very Good 2 London Victoria Very Good 3 London Roadside Very Good 4 Bristol Centre Very Good 8 London Bexley Very Good 2 S'hampton Cjntte - - RURAL sites East Sussex Very Good 3 Data from Department of Environment Skiing RjgionAir UK Maps TravelP415 CEEFAX 415 Thu 31 Aug 19:13/16 3/5 NITROGEN DIOXIDE 6pm Thu 31 Aug Southern England Air Level Quality (ypb) U"BAN sites London Bloomsbury Very Good 36 London Victoria Very Good 31 London Roadside Very Good 25 Ldn Earls Court Very Good 17 Bristol Centre Very Good 37 London Bexley Very Good 9 S'hampton Centre Very Good 16 RURAL sites East Sussex Very Good 7 Data from Department of Environment Skiing RjgionAir US Maps TravelP415 CEEFAX 415 Thu 31 Aug 19:12/57 4/5 BENZENE Southern England For 24 hours to Avg Year 6pm Thu 31 August ppb avg All sites are URBAN London Bloomsbury Low 1.08 1.52 London Eltham Low .34 1.08 Bristol Centre Low .63 .94 Benzene is a substance that can cause cancer. Indjpjndjnt 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 Skiing RjgionBir UK Maps TravelP415 CEEFAX 415 Thu 31 Aug 19:12/56 5/5 1,3-BUTBDIENE Southern England For 24 hours to Avg Year 6pm Thu 31 August ppb avg All sites are URBAN London Bloomsbury Low .27 .37 London Eltham Low .10 .27 Bristol Centre Low .22 .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 Xppb) presents an exceedingly small risk to health. Data from Department of Environment Skiing RjgionAir UK Maps Travel