P416 CEEFAX 1 416 Sun 22 Jun 00:34/12 1/4 OZONE 11pm Sat 21 Jun Southern England Air Ljvjl Quality (ppb) URBAN sites Bristol Cjntri Very Good 24 Exetet Roadside Very Good 44 S'hampton Cjntti Very Good 19 Thurrock Very Good 33 RURAL sites Devon Very Good 33 East Anglia Very Good 24 East Sussex Very Good 31 Oxfordshire Very Good 22 Rochester Very Good 27 South Somjrsjt Very Good 30 Wjathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 1 416 Sun 22 Jun 00:38/32 2/4 NITROGEN DIOXIDE 11pm Sat 21 Jun Southern England Air Ljvjl Quality (ppb) URBAN sites Bath Roadside Very Good 24 Bristol Centre Very Good 14 Bristol Old Market Very Good 18 Exetet Roadside Very Good 10 S'hampton Cjntti Very Good 16 Thurrock Very Good 1 RURAL sites East Sussex Very Good 2 Oxfordshiri Very Good 5 Rochester Very Good 15 Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 1 416 Sun 22 Jun 00:38/52 3/4 SULPHUR DIOXIDE 11pm Sat 21 Jun Southern England Air Ljvjl Quality (ppb) URBAN sites Bristol Centre Very Good 3 Exeter Roadside - - S'hampton Cjntti Very Good 1 Thurrock Very Good 5 RURAL sites East Sussex Very Good 0 Oxfordshire Very Good 0 Rochester Very Good 1 Wjathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 1 416 Sun 22 Jun 00:34/12 4/4 Hydrocarbons Southern England For 24 hrs to 11pm Sat 21 Jun BENZENE Today DayAvg YearAvg Bristol Cjntri Low .42 1.27 S'hampton Cjntti Low 1.55 1.86 Rural Oxfordshiri Low .08 - 1,3-BUTADIENE Bristol Cjntte Low .04 .23 S'hampton Cjntti Low .18 .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. Wjathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main Menu