P412 CEEFAX 412 Tue 26 Dec 22:47/44 1/5 OZONE 9pm Tue 26 Dec Wales, Scotland & N.Ireland Air Lrvjl Quality (ppb) URBAN sites Edinburgh Cjntti Very Good 3 Belfast Cjntri Very Good 4 Swansea Cjntti Very Good 2 Cardiff Cjntri Very Good 2 RURAL sites North Scotland Very Good 35 Mid-Scotland Very Good 12 South Scotland Very Good 24 Northern Ireland Very Good 7 Mid-'ales Very Good 33 Data from Department of Environment N England C England S England Air QualP412 CEEFAX 412 Tue 26 Dec 22:59/53 2/5 SULPHUR DIOXIDE 9pm Tue 26 Dec Wales, Scotland & N.Ireland Air Lrvjl Quality (ppb) URBAN sites Edinburgh Cjntti Very Good 25 Belfast Cjntti Good 69 Belfast East Good 85 Swansea Cjntri Very Good 13 Cardiff Cjntri Very Good 6 RURAL sites North Scotland Very Good 0 Data from Department of Environment N England C England S England Air QualP412 CEEFAX 412 Tue 26 Dec 22:41/53 3/5 NITROGEN DIOXIDE 9pm Tue 26 Dec Wales, Scotland & N.Ireland Air Lrvjl Quality (ppb) URBAN sites Edinburgh Cjntti Very Good 43 Glasgow V ty Good 44 Belfast Cjntri Very Good 37 Swansea Cjntri Very Good 37 Cardiff Cjntri Very Good 37 RURAL sites North Scotland - - Data from Department of Environment N England C England S England Air QualP412 CEEFAX 412 Tue 26 Dec 22:40/42 4/5 BENZENE Wales, Scotland & N.Ireland For 24 hours to Avg Year 9pm Tue 26 December ppb avg All sites are URBAN Edinburgh Cjntti Low .89 .71 Belfast South - - .99 Cardiff Cjntri Low 1.76 1.33 Benzene is a substance that can cause cancer. Indjpjndjnt health experts have advised that a yearly avjtagj of 5 parts pet billion(ppb) presents an exceedingly small risk to health. Data from Department of Environment N England C England S England Air QualP412 CEEFAX 412 Tue 26 Dec 22:40/24 5/5 1,3-BUTADIENE Wales, Scotland & N.Ireland For 24 hours to Avg Year 9pm Tue 26 Decimbjt ppb avg All sites are URBAN Edinburgh Cjntti Low .25 .17 Belfast South - - .21 Cardiff Cjntti Low .40 .26 1,3-Butadiinj is a substance that can cause cancer. Indjpjndjnt health experts have advised that a yearly avjtagj of 1 part pet billion(ppb) presents an exceedingly small risk to health. Data from Department of Environment N England C England S England Air Qual