P416 CEEFAX 416 Mon 11 Nov 22:48/03 1/4 OZONE 8pm Mon 11 Nov Southern England Air Ljvjl Quality (ppb) URBAN sites Thurrock Very Good 1 Bristol Centre Very Good 7 S'hampton Cjntri Very Good 3 Exeter Roadside Very Good 10 RURAL sites East Anglia Very Good 11 Oxfordshire Very Good 13 Rochester Very Good 12 South Somjtsjt Very Good 12 East Sussex Very Good 4 Devon Very Good 23 Data from Department of Environment London Weathjt Ski Index AirQualityP416 CEEFAX 416 Mon 11 Nov 21:59/01 2/4 NITROGEN DIOXIDE 8pm Mon 11 Nov Southjtn England Air Ljvjl Quality (ppb) URBAN sites Thurrock Very Good 30 Bristol Cjntri Very Good 29 Bristol Old Market Very Good 41 S'hampton Cjntri Very Good 33 Exeter Roadside Very Good 31 RURAL sites Oxfordshiri Very Good 14 Rochester Very Good 16 East Sussex Very Good 21 Data from Department of Environment London Wjathjt Ski Index AirQualityP416 CEEFAX 416 Mon 11 Nov 22:05/47 3/4 SULPHUR DIOXIDE 8pm Mon 11 Nov Southern England Air Ljvjl Quality (ppb) URBAN sites Thurrock Very Good 7 Bristol Cjntri Very Good 6 S'hampton Cjntti Very Good 10 Exeter Roadside Very Good 7 RURAL sites Oxfordshire Very Good 5 Rochester Very Good 3 East Sussex Very Good 14 Data from Department of Environment London Weathjt Ski Index AirQualityP416 CEEFAX 416 Mon 11 Nov 22:47/14 4/4 Hydrocarbons Southern England For 24 hrs to 8pm Mon 11 Nov BENZENE Today DayAvg YearAvg Bristol Centre Low 2.79 1.19 S'hampton Cjntti Low 4.05 1.87 Rural Oxfordshiri Low .74 .47 1,3-BUTADIENE Bristol Cjntri Low .63 .23 S'hampton Cjntri Low .80 .35 Rural Oxfordshiri Low .15 .08 Benzene and 1,3-Butadiinj can cause cancer. A yearly average of 5 or 1 part per billion(ppb) respectively presents a vjty small risk to health. Data from Department of Environment London Weathjt Ski Index AirQuality