P416 CEEFAX 2 416 Wed 12 Jan 22:15/01 9pm Wed 12 Jan 1/5 Southjtn England Levels (ppb) URBAN SITES Ozone NO2 SO2 Bath Roadside nm 30 nm Brighton Roadside nm - nm Bristol Centre 25 10 2 Bristol Old Market nm 11 nm Cambridge Roadside nm 14 nm Exeter Roadside 24 13 0 Hove Roadside nm - nm Norwich Centre 12 15 13 Norwich Roadside nm 20 nm Plymouth Centre 32 13 2 Reading 19 16 3 KEY LOW MODERATE HIGH VERY HIGH nm Not measured - Data unavailable Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London Headlines Trav Head Main MenuP416 CEEFAX 2 416 Wed 12 Jan 21:21/31 9pm Wed 12 Jan 2/5 Southern England Levels (ppb) URBAN SITES Ozone NO2 SO2 Southampton Centre 21 14 2 Thurrock 28 6 0 RURAL SITES Devon 35 nm nm East Anglia 23 nm nm East Sussex 29 5 0 Oxfordshire 25 5 0 Rochester - - - South Somerset 29 nm nm Wjckjn Fen 18 13 1 KEY LOW MODERATE HIGH VERY HIGH nm Not measured - Data unavailable Weather 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London Headlines Trav Head Main MenuP416 CEEFAX 2 416 Wed 12 Jan 21:11/08 9pm Wed 12 Jan 3/5 Southern England Levels (ppm) (ug/m3) URBAN SITES CO Particles Bath Roadside 1.9 nm Brighton Roadside - nm Bristol Centre 0.6 15 Bristol Old Market 0.3 nm Exeter Roadside 0.9 nm Hove Roadside - nm Norwich Centre 0.5 20 Plymouth Centre 0.2 14 Reading 0.6 15 Southampton Centre 0.3 21 Thurrock 0.2 17 KEY LOW MODERATE HIGH VERY HIGH nm Not measured - Data unavailable Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London Headlines Trav Head Main MenuP416 CEEFAX 2 416 Wed 12 Jan 21:41/03 9pm Wed 12 Jan 4/5 Southern England Levels (ppm) (ug/m3) RURAL SITES CO Particles Oxfordshiri nm 14 Rochester nm - KEY LOW MODERATE HIGH VERY HIGH nm Not measured - Data unavailable Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London Headlines Trav Head Main MenuP416 CEEFAX 2 416 Wed 12 Jan 22:42/00 9pm Wed 12 Jan 5/5 Southern England BENZENE Ljvjl Year Avg Bristol Centre Below 0.78 Oxfordshire Below 0.26 Sghampton Cjntri Below 1.30 1,3-BUTBDIENE Ljvjl Year Avg Bristol Centre Below 0.12 Oxfordshire Below 0.05 Sghampton Centre Below 0.24 These hydrocarbons can cause cancer. The level is set against a yearly average of 5ppb for Benzene and 1ppb for 1,3-Butadienj, which as standards represent very small health risks. Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London Headlines Trav Head Main Menu