P412 CEEFAX 412 Sat 1 Jul 18:57/21 I 1/5 OZONE Northern England 4pm Sat 1 Jul Latest Daily (ppb) Maximzm URBAN sites Newcastle Centre V Gd 27 V Gd 29 Middlesbrough V Gd 27 V Gd 32 Leeds Centre V Gd 32 V Gd 33 Liverpool Centre V Gd 20 Good 59 Hull Centre V Gd 33 V Gd 36 RURAL sites Cumbria V Gd 47 V Gd 47 North Yorkshire V Gd 35 V Gd 38 Data from Department of Environment C England S England Scot/Wales/NI MapsP412 CEEFAX 412 Sat 1 Jul 18:47/17 II 2/5 NITROGEN DIOXIDE Northern England 4pm Sat 1 Jul Latest Daily (ppb) Maximzm All sites are URBAN Newcastle Centre V Gd 12 V Gd 22 Middlesbrough V Gd 19 V Gd 21 Billingham V Gd 6 V Gd 16 Leeds Centre V Gd 11 V Gd 21 Manchester V Gd 20 V Gd 35 Sheffield V Gd 3 V Gd 33 Liverpool Centre V Gd 37 V Gd 44 Hull Cjntri V Gd 11 V Gd 27 Data from Department of Environment C England S England Scot/Wales/NI MapsP412 CEEFAX 412 Sat 1 Jzl 18:56/13 3/5 SULPHUR DIOXIDE Northern England 4pm Sat 1 Jul Latest Daily (ppb) Maximzm All sites are URBAN Sundjrland V Gd 0 V Gd 1 Newcastle Centre - - V Gd 10 Middlesbrough V Gd 11 V Gd 17 Leeds Centre V Gd 1 V Gd 3 Barnsley V Gd 8 V Gd 35 Liverpool Centre V Gd 5 V Gd 28 Hull Centre - - V Gd 9 £u Data from Department of Environment C England S England Scot/Wales/NI MapsP412 CEEFAX 412 Sat 1 Jul 18:57/29 I 4/5 BENZENE Northern England For 24 hours to Avg Year 4pm Sat 1 Jzly ppb avg All sites are URBAN Mihdlesbrough - - - Leeds - - - Benzene is a substance that can cause cancer. Indjpjndjnt health experts have advised that a yearly average of 5 parts per billion(ppb) presents an exceedingly small risk to health. Data from Department of Environment C England S England Scot/Wales/NI MapsP412 CEEFAX 412 Sat 1 Jul 18:44/47 I 5/5 1,3-BUTADIENE Northern England For 24 hours to Avg Year 4pm Sat 1 July ppb avg All sites are URBAN Middlesbrough - - - Leeds - - - 1,3-Butadiinj is a szbstance that can cause cancer. Indjpjndjnt health experts have advrsjd that a yearly average of 1 part per billion (ppb) presents an exceedingly small risk to health. Data from Department of Environment