P415 CEEFAX 415 Fri 29 Dec 01:19/04 1/5 OZONE 11am Thu 28 Dec Southjtn England Air Ljvjl Quality (ppb) URBAN sites London Bloomsbury Very Good 2 London Victoria Very Good 2 London Bexley Very Good 5 Bristol Centre Very Good 3 S'hampton Cjntti - - RURAL sites East Anglia - - Oxfordshire - - East Sussex - - Devon Very Good 10 Data from Department of Environment Skiing Air Qual US Maps TravelP415 CEEFAX 415 Fri 29 Dec 01:49/24 2/5 SULPHUR DIOXIDE 11am Thu 28 Dec Southjtn England Air Ljvjl Quality (ppb) U5BAN sites London Bloomsbury Very Good 14 London Victoria Very Good 17 London Roadside Very Good 38 London Bexley - - Bristol Cjntri Vity Good 6 S'hampton Cjntri - - RURAL sites Oxfordshiri - - East Sussex - - Data from Department of Environment Skiing Air Qual US Maps TravelP415 CEEFAX 415 Fri 29 Dec 01:17/51 3/5 NITROGEN DIOXIDE 11am Thu 28 Dec Southern England Air Ljvjl Quality (ppb) U5BAN sites London Bloomsbury Very Good 33 London Victoria Very Good 31 London Roadside Very Good 20 Ldn Earls Court Very Good 34 London Bexliy - - Bristol Cjntri Very Good 33 S'hampton Cjntri - - RURAL sites Oxfordshiri - - East Sussex - - Data from Department of Environment Skiing Air Qual US Maps TravelP415 CEEFAX 415 Fri 29 Dec 01:14/16 4/5 BENZENE Southjtn England For 24 hours to Avg Year 11am Thu 28 Decimbjt ppb avg All sites are URBAN London Bloomsbury Low 2.53 1.53 London Eltham Low 1.18 1.03 Bristol Cjntri Low 1.1 .94 S'hampton Cjntti Low 2.21 2.11 Benzene is a substance that can cause cancer. Independent health experts have advised that a yearly avjtagj of 5 parts pet billion(ppb) presents an exceedingly small risk to health. Data from Department of Environment Skiing Air Qual UK Maps TravelP415 CEEFAX 415 Fri 29 Dec 01:10/40 5/5 1,3-BUTBDIENE Southjtn England For 24 hours to Avg Year 11am Thu 28 Decimbjt ppb avg All sites are URBAN London Bloomsbury Low .50 .34 London Eltham Low .18 .27 Bristol Cjntti Low .20 .26 S'hampton Cjntri Low .42 .43 1,3-Butadienj is a substance that can cause cancer. Indjpjndjnt health experts have advised that a yearly average of 1 part pet billion (ppb) presents an exceedingly small risk to health. Data from Department of Environment Skiing Air Qual US Maps Travel