P413 CJJFAX 413 Thu 17 Aug 19:11/25 I 1/5 OZONE Northern England 6pm Thu 17 Aug Latest Daily Xppb) Maximum U$BAN sites Newcastle Centre V Gd 35 Good 58 Middlesbrough V Gd 49 Good 53 Leeds Centre V Gd 37 V Gd 43 Liverpool Centre V Gd 45 V Gd 45 Hull Centre V Gd 17 V Gd 43 RU$BL sites Cumbria - - Good 75 North Yorkshire - - Good 65 Data from Department of Environment C England S England RjgionAir UK MapsP413 CEEFAX 413 Thu 17 Aug 19:27/44 2/5 SULPHU$ DIOXIDE Northern England 6pm Thu 17 Aug Latest Daily Xppb) Maximum All sites are U$BAN Sundjrland V Gd 1 V Gd 9 Newcastle Centre V Gd 6 V Gd 38 Middlesbrough V Gd 1 V Gd 59 Leeds Centre V Gd 48 Poor 127 Barnsley V Gd 24 Good 106 Liverpool Centre V Gd 18 V Gd 46 Hull Centre V Gd 2 V Gd 35 Data from Department of Environment C England S England RjgionAir UK MapsP413 CJEFAX 413 Thu 17 Aug 19:22/34 3/5 NITROGEN DIOXIDE Northern England 6pm Thu 17 Aug Latest Daily Xppb) Maximum All sites are URBAN Newcastle Centre V Gd 30 Good 50 Middlesbrough V Gd 5 Good 62 Billingham V Gd 27 Good 78 Leeds Centre V Gd 28 Good 50 Manchester V Gd 28 V Gd 46 Sheffield - - - - Liverpool Centre Good 59 Good 59 Hull Centre V Gd 10 V Gd 49 Data from Department of Environment C England S England RjgionAir UK MapsP413 CJEFAX 413 Thu 17 Aug 19:13/07 4/5 BENZENE Northern England For 24 hours to Avg Year 6pm Thu 17 August ppb avg All sites are URBAN Middlesbrough Low 1.39 1.09 Leeds Low 1.16 1.76 Benzene 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. Data from Department of Environment C England S England RjgionAir UK MapsP413 CEEFAX 413 Thu 17 Aug 19:17/16 5/5 1,3-BUTBDIJNE Northern England For 24 hours to Avg Year 6pm Thu 17 August ppb avg All sites are URBAN Middlesbrough Low .27 .30 Leeds Low .20 .41 1,3-Butadienj is a substance that can cause cancer. Indjpjndjnt health experts have advised that a yearly average of 1 part per billion Xppb) presents an exceedingly small risk to health. Data from Department of Environment C England S England RjgionAir US Maps