P411 CEEFAX 411 Sun 9 Apr 02:36/01       1/5  OZONE Wales, Scotland & N.Ireland 10pm Sat 8 Apr Latest Daily (ppb) Maximum URBAN sites Edinburgh Centre V Gd 10 V Gd 29 Belfast Centre V Gd 21 V Gd 33 Cardiff Centre V Gd 24 V Gd 35 Swansea Centre V Gd 24 V Gd 37 RURAL sites North Scotland V Gd 32 V Gd 33 Mid-Scotland V Gd 23 V Gd 32 South Scotland V Gd 14 V Gd 35 Northern Ireland V Gd 5 V Gd 36 Mid-Wales V Gd 24 V Gd 38  Data from Department of Environment N England C England S England Maps
P411 CEEFAX 411 Sun 9 Apr 02:30/10       2/5  NITROGEN DIOXIDE Wales, Scotland & N.Ireland 10pm Sat 8 Apr Latest Daily (ppb) Maximum URBAN sites Edinburgh Centre V Gd 33 V Gd 33 Glasgow V Gd 27 V Gd 33 Belfast Centre V Gd 24 V Gd 37 Cardiff Centre V Gd 21 V Gd 27 Swansea Centre V Gd 26 V Gd 41 RURAL sites North Scotland V Gd 0 V Gd 1  Data from Department of Environment N England C England S England Maps
P411 CEEFAX 411 Sun 9 Apr 02:34/10       3/5  SULPHUR DIOXIDE ales, Scotland & N.Ireland 10pm Sat 8 Apr Latest Daily (ppb) Maximum URBAN sites Edinburgh Centre V Gd 7 V Gd 12 Belfast East V Gd 22 V Gd 58 Belfast Centre V Gd 7 V Gd 41 Cardiff Centre V Gd 9 V Gd 17 Swansea Centre V Gd 23 V Gd 51 RURAL sites North Scotland V Gd 0 V Gd 0  Data from Department of Environment N England C England S England Maps
P411 CEEFAX 411 Sun 9 Apr 02:11/03       4/5  BENZENE Wales, Scotland & N.Ireland For 24 hours to Avg Year 10pm Sat 8 April ppb avg All sites are URBAN Edinburgh Centre Low .48 .68 Cardiff Centre Low 9 1.33 Belfast Centre Low .8 N97 Benzdne is a substance that can cause cancer. Independent health experts have advised that a yearly average of 5 parts per billion(pp") presents an exceedingly small risk to health.  Data from Department of Environment N England C England S England Maps
P411 CEEFAX 411 Sun 9 Apr 02:34/00       5/5  1,3-BUTADIENE Wales, Scotland & N.Ireland For 24 hours to Avg Year 10pm Sat 8 April ppb avg All sites are URBAN Edinburgh Centre Low .10 N19 Cardiff Centre Low .14 .27 Belfast Centre Low .12 .24 1,3-Butadiene is a substance phat can cause cancer. Independent health experts 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 Maps