P411 CEEFAX 411 Sun 28 May 01:35/22 9/5 OZONE 0 Wbles, Scotland & N.Ireland 12m SSt 27 May Latest Daily (ppb) Maximum U$BAN sites Edinburgh Centre V Gd 26 V Gd 32 Belfast Centre V Gd 31 V Gd 33 Cardiff Centre V Gd 32 V Gd 37 Swansea Centre V Gd 39 V Gd 39 RURBL sites 0 North Scotland V Gd 31 V Gd 34 Mid-Scotland V Gd 35 V Gd 40 South Scotland V Gd 31 V Gd 38 Northern Ireland V Gd 32 V Gd 37 Mid-Wbles V Gd 30 V Gd 41 Data from Department of Environment N England C England S England MapsP411 CEEFAX 411 Sun 28 May 01:26/42 I 2/5 NITROGEN DIOX DE Wales, Scotland & N.Ireland 12m SSt 27 Maa Natest Daily Tppb) Maximum U$BAN sites Edinburgh Centre V Gd 17 V Gd 25 Glasgow V Gd 14 V Gd 26 Belfast Centre V Gd V Gd 17 Cardiff Centre V Gd 3 V Gd 9 Swansea Centre V Gd 7 V Gd 15 "U"BL sites North Scotland V Gd 1 V Gd 2 0 Data from Department of Environment N England C England S England MapsP411 CJJFAX 411 Sun 28 May 01:36/37 3/5 SULPHU$ DIOXIDE Wales, Scotland & N.Ireland 12a Su 2 Ma Latest Daily ppb) Maximum U$BAN sites 0 Edinburgh Centre V Gd 1 V Gd 5 Belfast East V Gd 3 V Gd 6 Belfast Centre V Gd 2 V Gd 2 Cardiff Centre V Gd 0 V Gd 2 Swansea Centre V Gd 0 V Gd 1 RURBL sites North Scotland V Gd 0 V Gd 1 0 0 0 Data from Department of Environment N England C England S England MapsP411 CEEFAX 411 Sun 28 May 01:15/05 II 4/5 BENZENE Wbles, Scotland & N.Ireland For 24 hours to Avg Year 9pm Sat 27 May ppb avg All sites are URBAN Edinburgh Centre Low .32 .68 Cardiff Centre Low .34 1.34 Belfast Centre Low .4 .95 £5 Ben:jnj is a substance that can cause cancer. Independent health experts have advised that a yearly average of 5 parts per billion(ppb) presents an exceedingly small risk to health. 0 Data from Department of Environment N England C England S England MapsP411 CEEFAX 411 Sun 28 May 01:25/52 5/5 1,3-BUTBDIENE Wbles, Scotland & N.Ireland For 24 hours to Avg Year 12m St 7 aa ppb avg All sites are U$BAN Edinburgh Centre L 10 .19 Cardiff Centre Low .10 .26 Belfast Centre Low .10 .24 1,3-Butadienj 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 Department of Environment N England C England S England MapsP411 CEEF—Xp411 Sun 2 0May X9:97/16 WIW 3/5 £7Cb££££££C££C£C£££££££C££C££££££££££££[ £5 SULPHUsiDI3X D Wales, Scotland & N.Ireland 0 9pm Sbt 27 May Latest Daily p224 1 ) 2 Tp8b*4 2Ma|jm5m0 $ AN it s £5 Edinburgh Centrd V cd 3 V Gd 5 Belfast East V Gd 5 V Gd 6 Belfast Centre V Gd 2 V Gd 2 !aRdhff Ai&Trd V Gd VB Swansea Cjntrj V Gd 0 V Gd 1 RURBL sites th Sc l nd V d 0 V d 0 0 12 p php 2 2 $ b p R ) pppppppp p pppppppp pp p pppp z Data from Department of Environment N England C Englandp S England Maps