P412 CEEFAX 412 Thu 31 Aug 19:14/33 1/5 ZONE 6pm Thu 31 Aug Wales, Scotland & N.Ireland Air Level Quality (ppb) U"BAN sites Edinburgh Centre Very Good 16 Belfast Centre Very Good 11 Cardiff Centre Very Good 24 Swansea Centre Very Good 32 RURAL sites North Scotland Very Good 24 Mid-Scotland Very Good 20 South Scotland Very Good 28 Northern Ireland Very Good 24 Mid-Wbles Very Good 33 Data from Department of Environment N England C England S England RjgionAirP412 CEEFAX 412 Thu 31 Aug 19:13/53 2/5 SULPHU$ DIOXIDE 6pm Thu 31 Aug Wbles, Scotland & N.Ireland Air Level Quality hypb) U"BAN sites Edinburgh Centre Very Good 4 Belfast East Very Good 25 Belfast Centre Very Good 24 Cardiff Centre Very Good 7 Swansea Centre Very Good 6 RURAL sites North Scotland Very Good 0 Data from Department of Environment N England C England S England RjgionAirP412 CEEFAX 412 Thu 31 Aug 19:15/14 3/5 NITROGEN DIOXIDE 6pm Thu 31 Aug Wales, Scotland & N.Ireland Air Level Quality Tppb) U$BAN sites Edinburgh Cjntri Very Good 29 Glasgow Very Good 33 Belfast Centre Very Good 37 Cardiff Centre Very Good 19 Swansea Centre Very Good 19 RURAL sites North Scotland Very Good 0 Data from Department of Environment N England C England S England RjgionAirP412 CEEFAX 412 Thu 31 Aug 19:12/33 4/5 BENZENE Wbles, Scotland & N.Ireland For 24 hours to Avg Year vpm Thu 31 August ppb avg All sites are URBAN Edinburgh Cjntte Low .63 .7 Cardiff Centre Low 1.04 1.4 Belfast Centre Low .71 .97 Benzene is a substance that can cause cancer. Independent 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 RjgionAirP412 CEEFAX 412 Thu 31 Aug 19:16/14 5/5 1,3-BUTBDIJNE Wbles, Scotland & N.Ireland For 24 hours to Avg Year 6pm Thu 31 August ppb avg All sites are URBAN Edinburgh Cjntte Low .34 .19 Cardiff Centre Low .25 .27 Belfast Centre Low .13 .24 1,3-Butadiinj is a substance that 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 Depbrtmjnt of Environment N England C England S England RjgionAir