P416 CEEFAX 1 416 Sat 30 Aug 20:55/52 1/4 OZONE 8pm Sat 30 Aug Southern England Air Level Quality (ppb) U5BAN sites Bristol Cjntri Very Good 16 Exiter Roadside Very Good 36 S'hampton Cjntte Very Good 12 Thurrock Very Good 4 RU5AL sites Devon Very Good 22 East Anglia - - East Sussex - - Oxfordshire Very Good 0 Rochester Very Good 11 South Somjtsjt Very Good 28 Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 1 416 Sat 30 Aug 20:51/04 2/4 NITROGEN DIOXIDE 8pm Sat 30 Aug Southern England Air Ljvjl Quality (ppb) U5BAN sites Bath Roadside Very Good 28 Bristol Centre Very Good 24 Bristol Old Market Very Good 42 Exeter Roadside Very Good 24 Norwich Roadside Very Good 15 S'hampton Cjntti Very Good 24 Thurrock Very Good 33 RURAL sites East Sussex - - Oxfordshire Very Good 4 Rochester Very Good 19 Weather 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 1 416 Sat 30 Aug 20:52/27 3/4 SULPHUR DIOXIDE 8pm Sat 30 Aug Southjtn England Air Ljvjl Quality (ppb) URBAN sites Bristol Centre Very Good 17 Exetet Roadside Very Good 1 Reading Very Good 2 S'hampton Cjntri Very Good 4 Thurrock Very Good 18 RU5AL sites East Sussex Very Good 1 Oxfordshiri Very Good 1 Rochester Very Good 4 Weather 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 1 416 Sat 30 Aug 20:54/10 4/4 Hydrocarbons Southern England For 24 hrs to 8pm Sat 30 Aug BENZENE Today DayAvg YearAvg Bristol Centre Low .65 1.34 S'hampton Centre Low .96 1.83 Rural Oxfordshiri Low .09 - 1,3-BUTADIENE Bristol Cjntri Low .09 .23 S'hampton Cjntti Low .24 .31 Rural Oxfordshiri - - - Benzene and 1,3-Butadiinj can cause cancer. A yearly average of 5 or 1 part per billion(ppb) respectively presents a very small risk to health. Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main Menu