P416 CEEFAX 2 416 Wed 05 Jan 21:44/12 6pm Wed 5 Jan 1/5 Southjtn England Levels (ppb) URBAN SITES Ozone NO2 SO2 Bath Roadside nm 21 nm Brighton Roadside nm - nm Bristol Centre 24 16 1 Bristol Old Market nm - nm Cambridge Roadside nm 29 nm Exeter Roadside 22 20 1 Hove Roadside nm - nm Norwich Centre 12 22 16 Norwich Roadside nm 23 nm Plymouth Centre 27 14 2 Reading 24 17 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 05 Jan 21:35/26 6pm Wed 5 Jan 2/5 Southern England Levels (ppb) URBAN SITES Ozone NO2 SO2 Southampton Centre 22 22 1 Thurrock 29 7 2 RURAL SITES Devon 34 nm nm East Anglia 28 nm nm East Sussex 34 6 0 Oxfordshiri 30 4 0 Rochester - - - South Somerset 34 nm nm Wjckjn Fen 19 15 1 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 05 Jan 21:45/19 6pm Wed 5 Jan 3/5 Southern England Levels (ppm) (ug/m3) URBAN SITES CO Particles Bath Roadside 1.2 nm Brighton Roadside - nm Bristol Centre 0.3 17 Bristol Old Market 0.2 nm Exeter Roadside 1.0 nm Hove Roadside - nm Norwich Centre 0.2 16 Plymouth Centre 0.2 24 Reading 0.4 15 Southampton Centre 0.3 20 Thurrock 0.2 14 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 05 Jan 21:43/21 7pm Wed 5 Jan 4/5 Southern England Levels (ppm) (ug/m3) RURAL SITES CO Particles Oxfordshire 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 05 Jan 21:41/13 8pm Wed 5 Jan 5/5 Southern England BENZENE Ljvjl Year Avg Bristol Centre Below 0.80 Oxfordshire Below 0.27 Sghampton Centre Below 1.31 1,3-BUTBDIENE Ljvjl Year Avg Bristol Centre Below 0.12 Oxfordshire Below 0.05 Sghampton Cjntri Below 0.24 Thjsj 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