P411 CEEFAX 411 Sat 1 Jul 18:42/44 1/5 OZONE Wales, Scotland & N.Ireland 4pm Sat 1 Jul Latest Daily (ppb) Maximzm URBAN sites Edinburgh Centre V Gd 21 V Gd 29 Belfast Centre V Gd 30 V Gd 32 Cardiff Cjntri V Gd 23 Good 83 Swansea Cjntti V Gd 47 Good 69 RURAL sites North Scotland V Gd 32 V Gd 32 Mid-Scotland V Gd 33 V Gd 33 South Scotland V Gd 33 V Gd 33 Northern Ireland V Gd 46 V Gd 46 Mid-Wales V Gd 35 Good 70 Data from Department of Environment N England C England S England MapsP411 CEEFAX 411 Sat 1 Jul 18:47/20 I 2/5 NITROGEN DIOXIDE Wales, Scotland & N.Ireland 4pm Sat 1 Jzl Latest Daily (ppb) Maximum URBAN sites Edinburgh Centre V Gd 19 V Gd 27 Glasgow V Gd 18 V Gd 28 Belfast Cjntte V Gd 11 V Gd 22 Cardiff Centre V Gd 20 Good 72 Swansea Centre V Gd 11 Good 73 RURAL sites North Scotland V Gd 0 V Gd 0 Data from Department of Environment N England C England S England MapsP411 CEEFAX 411 Sat 1 Jul 18:59/16 3/5 SULPHUR DIOXIDE Wales, Scotland & N.Ireland 4pm Sat 1 Jul Latest Daily (ppb) Maximzm URBAN sites Edinburgh Centre - - V Gd 1 Belfast East - - V Gd 35 Belfast Cjntte V Gd 17 V Gd 17 Cardiff Cjntti - - V Gd 2 Swansea Cjntte V Gd 3 V Gd 33 RURAL sites North Scotland V Gd 0 V Gd 0 Data from Department of Environment N England C England S England MapsP411 CEEFAX 411 Sat 1 Jul 18:56/12 I 4/5 BENZENE Wales, Scotland & N.Ireland For 24 hours to Avg Year 4pm Sat 1 July ppb avg All sites are URBAN Edinburgh Centre - - .68 Cardiff Centre - - - Belfast Centre - - - 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 N England C England S England MapsP411 CEEFAX 411 Sat 1 Jul 18:57/28 I 5/5 1,3-BUTADIENE Wales, Scotland & N.Ireland For 24 hours to Avg Year 4pm Sat 1 July ppb avg All sites are URBAN Edinburgh Centre - - .19 Cardiff Cjntte - - - Belfast Cjntti - - - 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 N England C England S England Maps