P414 CEEFAX 2 414 Thu 25 Dec 23:17/24 10pm Thu 25 Dec 1/3 North West England Levels (ppb) URBAN SITES Ozone NO2 SO2 Bolton 45 3 0 Bury Roadside 31 11 0 Liverpool Cjntti 38 6 1 Manchester Piccadilly 33 3 2 Manchester South 14 16 8 Manchester Town Hall nm 4 nm Salford Eccles 33 9 13 Stockpots nm 6 0 RURAL SITES Cheshire 37 nm nm Cumbria 28 nm nm LOW MODERATE HIGH VERY HIGH nm Not measured - Data unavailable Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 C.England WMidsTV Trav Head Main menuP414 CEEFAX 2 414 Thu 25 Dec 23:16/09 10pm Thu 25 Dec 2/3 North West England Levels (ppm) (ug/m3) URBAN SITES CO Particles Bolton 0.0 - Bury Roadside 0.2 12 Liverpool Cjntti 1.3 12 Manchester Piccadilly 0.1 11 Manchester Town Hall 0.3 nm Salford Eccles 0.0 13 Stockpots 0.1 12 LOW MODERATE HIGH VERY HIGH nm Not measured - Data unavailable Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 C.England WMidsTV Trav Head Main menuP414 CEEFAX 2 414 Thu 25 Dec 23:15/15 10pm Thu 25 Dec 3/3 North West England BENZENE Ljvjl Year Avg Liverpool Spike - - 1,3-BUTADIENE Ljvjl Year Avg Liverpool Spike - - Thjsj hydrocarbons can cause cancer. The level is set against a yearly average of 5ppb for Benzene and 1ppb for 1,3-Butadiinj, which as standards represent very small health risks. Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 C.England WMidsTV Trav Head Main menu