P411 CJEFAX 411 Fri 30 Dec 00:55/20 ] 1/5 OZONE Wbles, Scotland & N.Ireland 12pm Thu 29 Dec Latest Daily (ppb) Maximum U5BAN sites Edinburgh Centre V Gd 24 V Gd 33 Belfast Centre V Gd 21 V Gd 37 Cardiff Centre V Gd 26 V Gd 34 Swansea Centre - - V Gd 39 RURBL sites North Scotland V Gd 32 V Gd 40 Mid-Scotland V Gd 36 V Gd 36 South Scotland V Gd 36 V Gd 36 Northern Ireland V Gd 32 V Gd 37 Mid-Wbles V Gd 40 V Gd 40 ] Data from Department of Environment N England C England S England MapsP411 CEEFAX 411 Fri 30 Dec 00:26/24 2/5 NITROGEN DIOXIDE Wbles, Scotland & N.Ireland 12pm Thu 29 Dec Latest Daily (ppb* Maximum U5BAN sites Edinburgh Centre V Gd 20 V Gd 43 Glasgow V Gd 25 V Gd 32 Belfast Centre V Gd 24 V Gd 44 Cardiff Centre V Gd 14 V Gd 23 Swansea Centre - - V Gd 5 RURBL sites North Scotland V Gd 0 V Gd 1 ] Data from Depbrtmjnt of Environment N England C England S England MapsP411 CJJFAX 411 Fri 30 Dec 00:17/47 3/5 SULPHU5 DIOXIDE Wbles, Scotland & N.Ireland 12pm Thu 29 Dec Latest Daily (ppb) Maximum URBAN sites Edinburgh Centre V Gd 9 V Gd 16 Belfast East V Gd 1 V Gd 2 Belfast Centre V Gd 13 V Gd 26 Cardiff Centre V Gd 0 V Gd 6 Swansea Centre - - V Gd 3 RURBL sites North Scotland V Gd 0 V Gd 0 ] Data from Department of Environment N England C England S England MapsP411 CJEFAX 411 Fri 30 Dec 00:41/21 4/5 BENZENE Wbles, Scotland & N.Ireland For 24 hours to Avg Year 12pm Thu 29 December ppb avg All sites are URBAN Edinburgh Centre Low .72 .69 Cardiff Centre Low .6 1.38 Belfast Centre Low .49 1.02 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 CJJFAX 411 Fri 30 Dec 00:59/04 5/5 1,3mBUTBDIJNE Wbles, Scotland & N.Ireland For 24 hours to Avg Year 12pm Thu 29 December ppb avg All sites are URBAN Edinburgh Centre Low .31 .19 Cardiff Centre Low .14 .28 Belfast Centre Low .15 .25 1,3-Butadienj is a substance that can cause cancer. Indjpjndjnt health jxpjrts have advised 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 MapsP411 CJJFAX 421 Fri 3Q Dec 01:u6/27 5/5 1,3mBUTBDIENE Wales, Scotland & N.Ireland For 24 hours to Avg Year 12pm Thu 29 December ppb avg All sites are URBAN Edinburgh Centre Low .31 .19 Cardiff Centre Low .14 .28 Belfast Centre Low .1u n25 1,3-Butadiinj is a substance that health jxpjrts have advised that a yearly average of 1 part per billion(ppb) presents an exceedingly small risk to health. upppppppppppppppppppppppppppppppppppppz Data from Department of Environment N England C England S England Maps