P416 CEEFAX 416 Mon 4 Nov 21:34/44 1/4 OZONE 6pm Mon 4 Nov Southjtn England Air L vjl Quality (ppb) U5BAN sites Thurrock Very Good 25 Bristol Cjntti Very Good 18 S'hampton Cjntti Very Good 10 Exetet Roadside Very Good 18 RURAL sites East Anglia Very Good 31 Oxfordshiri Very Good 34 Rochester Very Good 28 South Somjtsjt Very Good 28 East Sussex - - Devon Very Good 32 Data from Department of Environment London Wjathjt Ski Index AirQualityP416 CEEFAX 416 Mon 4 Nov 21:16/34 2/4 NITROGEN DIOXIDE 6pm Mon 4 Nov Southjtn England Air Level Quality ppb) URBAN sites Thurrock Very Good 12 Bristol Cjntri Very Good 17 Bristol Old Market Very Good 32 S'hampton Cjntri Very Good 34 Exeter Roadside Very Good 26 RURAL sites Oxfordshiri Very Good 0 Rochester Very Good 11 East Sussex - - Data from Department of Environment London Wjathjt Ski Index AirQualityP416 CJEFAX 416 Mon 4 Nov 22:14/28 3/4 SULPHUR DIOXIDE 6pm Mon 4 Nov Southjtn England Air Lrvjl Quality (ppb) URBAN sites Thurrock - - Bristol Centre - - S'hampton Cjntte Very Good 3 Exetet Roadside Very Good 1 RURAL sites Oxfordshire Very Good 0 Rochester Very Good 3 East Sussex - - Data from Department of Environment London Wjathjt Ski Index AirQualityP416 CEEFAX 416 Mon 4 Nov 22:05/17 4/4 Hydrocarbons Southern England For 24 hrs to 6pm Mon 4 Nov BENZENE Today DazAvg YearAvg Bristol Centre Low .58 1.22 S'hampton Cjntti - - 1.92 Rural Oxfordshiri Low 2.28 .49 1,3-BUTBDIENE Bristol Centre Low .12 .24 S'hampton Cjntti - - .36 Rural Oxfordshiri Low .00 .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 Wjathjt Ski Index AirQuality