P414 CEEFAX 2 414 Fri 21 Jan 22:01/35 9pm Fri 21 Jan 1/3 North West England Levels (ppb) URBAN SITES Ozone NO2 SO2 Bolton 28 11 1 Bury Roadside 15 22 - Liverpool Centre 31 7 2 Manchester Piccadilly 10 27 2 Manchester South 30 11 - Manchester Town Hall nm 27 nm Salford Eccles 13 32 1 Stockpots nm 33 1 RURAL SITES Cheshire 29 nm nm Cumbria 22 nm nm KEY LOW MODERATE HIGH VERY HIGH nm Not measured - Data unavailable Weather 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 C.England NWestTV Trav Head Main MenuP414 CEEFAX 2 414 Fri 21 Jan 22:18/24 9pm Fri 21 Jan 2/3 North West England Levels (ppm) (ug/m3) URBAN SITES CO Particles Bolton 1.5 20 Bury Roadside 1.0 20 Liverpool Centre 0.0 7 Manchester Piccadilly 0.8 17 Manchester Town Hall 1.0 nm Salford Eccles 0.6 18 Stockpots 0.6 15 KEY LOW MODERATE HIGH VERY HIGH nm Not measured - Data unavailable Weather 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 C.England NWestTV Trav Head Main MenuP414 CEEFAX 2 414 Fri 21 Jan 22:12/23 9pm Fri 21 Jan 3/3 North West England BENZENE Level Year Avg Liverpool Spike - - 1,3-BUTADIENE Level Year Avg Liverpool Spike - - These hydrocarbons can cause cancer. The level is set against a yearly average of 5ppb for Benzene and 1ppb for 1,3-Butadiene, which as standards represent very small health risks. Weather 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 C.England NWestTV Trav Head Main Menu