P411 CEEFAX 411 Tue 30 May 19:19/18 1/5 OZONE 0 Wbles, Scotland & N.Ireland 2pm Tue 30 May Latest Daily (ppb) Maximum U BAN sites 0 Edinburgh Cjntte V Gd 14 V Gd 33 Belfast Centre - - V Gd 38 Cardiff Centre V Gd 21 V Gd 30 Swansea Cjntri V Gd 16 V Gd 37 RURBL sites North Scotland V Gd 37 V Gd 38 Mid-Scotland V Gd 34 V Gd 37 South Scotland V Gd 35 V Gd 37 Northern Ireland - - V Gd 036 Mid- l s V Gd 37 V Gd 37 Data from Department of Environment N England C England S England MapsP411 CEJFAX 411 Tue 30 May 19:21/07 2/5 NITROGEN DIOXIDE 0 s land 0 2pm Tue 30 May Latest Daily Xppb) Maximum URBAN sites 0 ) V d j Glasgou V Gd 30 V Gd 38 Belfast Centre - - V Gd 28 Cardiff Cents V Gd 17 V Gd 24 Swans a Cent V Gd 27 V Gd 30 RURBL sites 0 North Scotland V Gd 0 V Gd 0 £5 0 £5 0 Data from Department of Envirgnmunt N England C England S England MapsP411 CJEFAX 411 Tue 30 May 19:12/34 ] 3/5 SULPHUR DIOXIDE Wblis, Scotland & N.Ireland 0 2pm Tue 30 May Latest Daily (ppb) Maximum URBAN sites Edinburgh Centre V Gd 5 V Gd 15 Belfast East V Gd 9 V Gd 11 Belfast Cjntte V Gd 6 V Gd 12 Cardiff Centre V Gd 3 V Gd 3 Swansea Cjntte V Gd 2 V Gd 2 $U$BL sites North Scotland V Gd 0 V Gd 0 0 0 0 a £upppppppppppppppppppppppppppppppppppppz Data from Department of Environment N England C England S England MapsP411 CEEFAX 411 Tue 30 May 19:16/54 4/5 BENZENE Wbles, Scotland & N.Ireland For 24 hours to Avg Year 2pm Tue 30 May ppb avg All sites are URBAN 0 Edinburgh Centre Lou .28 .67 Cardiff Centre Low .59 1.54 Belfast Centre Low .51 .95 Benzene is a substance that can £5 cause cancer. Independent health experts have advised that a yearly average of 5 parts per billion(p8b) presents an exceedingly small risk to health. Data from Department of En6ironmjnt N England C England S England MapsP411 CEEFAX 411 Tue 30 May 19:13/22 O 5/5 1,3-BUTBDIENE 2 Wbles, Scotland & N.Ireland For 24 hours to Avg Year 2pm Tue 30 May ppb 1vg All site are URBAN Edinburgh Centre Low .10 .19 Cardiff Centre Low .13 .26 Belfast Centre Low .11 .24 0 1,3-Butadienj is a substance that can cause cancer. Independent health experts have advised that a yearly average of 1 part pkt 0 £5 billion(ppbQ presents an exceedingly small risk tm health. upppppppppppppppppppppppppppppppppppppz Data from Department of Environment N ngland C England S England Maps