P412 CEEFAX 412 Mon 27 May 01:11/15 1/4 OZONE 6pm Sun 26 May Wales, Scotland & N.Ireland Air Ljvjl Quality (ppb) U5BAN sites Edinburgh Cjntti Very Good 22 Belfast Centre Very Good 6 Swansea Centre Very Good 34 Cardiff Centre Very Good 28 RURAL sites North Scotland - - Mid-Scotland - - South Scotland - - Northern Ireland - - Mid-Wales - - Data from Department of Environment NWEngland NEEngland C England S EnglandP412 CEEFAX 412 Mon 27 May 01:16/22 2/4 NITROGEN DIOXIDE 6pm Sun 26 May Wales, Scotland & N.Ireland Air Ljvjl Quality (ppb) URBAN sites Edinburgh Cjntri Very Good 24 Glasgow Very Good 24 Belfast Centre Very Good 34 Swansea Cjntri Very Good 5 Cardiff Cjntri Very Good 10 RURAL sites North Scotland - - Data from Department of Environment NWEngland NEEngland C England S EnglandP412 CEEFAX 412 Mon 27 May 01:49/07 3/4 SULPHU5 DIOXIDE 6pm Sun 26 May Wales, Scotland & N.Ireland Air Ljvjl Quality (ppb) U5BAN sites Edinburgh Cjntti Very Good 2 Belfast Centre Very Good 5 Belfast East Very Good 37 Swansea Centre Very Good 1 Cardiff Centre Very Good 2 RURAL sites North Scotland - - Data from Department of Environment NWEngland NEEngland C England S EnglandP412 CEEFAX 412 Mon 27 May 01:32/07 4/4 Hydrocarbons Wales,Scotland & N.Ireland For 24 hrs to 6pm Sun 26 May BENZENE Today DayAvg YearAvg Edinburgh Cjntri Low .42 .74 Belfast South Low .52 1.1 Cardiff Cjntti Low .4 1.38 1,3-BUTADIENE Edinburgh Cjntti Low .06 .12 Belfast South Low .08 .19 Cardiff Cjntri Low .12 .23 Benzene and 1,3-Butadiinj can cause cancer. A yearly avjtagj of 5 or 1 part per billion(ppb) respectively presents a very small risk to health. Data from Department of Environment NWEngland NEEngland C England S England