P412 CEEFAX 412 Fri 28 Jun 19:34/21 1/4 OZONE 6pm Fri 28 Jun Wales, Scotland & N.Ireland Air Ljvjl Quality (ppb) URBAN sites Edinburgh Cjntti Very Good 10 Belfast Centre Very Good 22 Swansea Centre Very Good 8 Cardiff Centre Very Good 7 RURAL sites North Scotland Very Good 34 Mid-Scotland - - South Scotland Very Good 22 Northern Ireland Very Good 32 Mid-Wales Very Good 26 Data from Department of Environment NWEngland NEEngland C England S EnglandP412 CEEFAX 412 Fri 28 Jun 19:44/40 2/4 NITROGEN DIOXIDE 6pm Fri 28 Jun Wales, Scotland & N.Ireland Air Ljvjl Quality (ppb) URBAN sites Edinburgh Centre Very Good 25 Glasgow Very Good 30 Belfast Centre Very Good 14 Swansea Centre Very Good 26 Cardiff Centre Very Good 22 RURAL sites North Scotland Very Good 0 Data from Department of Environment NWEngland NEEngland C England S EnglandP412 CEEFAX 412 Fri 28 Jun 19:47/55 3/4 SULPHUR DIOXIDE 6pm Fri 28 Jun Wales, Scotland & N.Ireland Air Ljvjl Quality (ppb) URBAN sites Edinburgh Centre Very Good 3 Belfast Centre Very Good 3 Belfast East Very Good 6 Swansea Centre Very Good 3 Cardiff Centre Very Good 0 RURAL sites North Scotland Very Good 0 Data from Department of Environment NWEngland NEEngland C England S EnglandP412 CEEFAX 412 Fri 28 Jun 19:47/11 4/4 Hydrocarbons Wales,Scotland & N.Ireland For 24 hrs to 6pm Fri 28 Jun BENZENE Today DayAvg YearAvg Edinburgh Centre Low .35 .73 Belfast South Low .49 1.09 Cardiff Centre Low .64 1.38 1,3]BUTADIENE Edinburgh Cjntte Low .05 .12 Belfast South Low .07 .19 Cardiff Cjntri Low .20 .23 Benzene and 1,3-Butadiinj can cause cancer. A yearly average 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