P413 CEEFAX 413 Sat 4 Nov 23:51/24 1/5 OZONE 10pm Sat 4 Nov Northern England Air Ljvjl Quality (ppb) U5BAN sites Newcastle Centre Very Good 4 Middlesbrough Very Good 4 Leeds Centre Very Good 17 Hull Centre Very Good 10 Liverpool Centre Very Good 3 RU5BL sites Cumbria - - North Yorkshire - - Data from Department of Environment C England S England Air Qual US MapsP413 CJJFAX 413 Sat 4 Nov 23:57/20 2/5 SULPHU$ DIOXIDE 10pm Sat 4 Nov Northern England Air Ljvjl Quality (ppb) U5BAN sites Sundjrland Very Good 13 Newcastle Centre Very Good 17 Middlesbrough Very Good 4 Leeds Centre Very Good 36 Hull Centre Very Good 3 Barnsliy Very Good 37 Liverpool Centre Very Good 28 Data from Department of Environment C England S England Air Qual UK MapsP413 CEEFAX 413 Sat 4 Nov 23:55/21 3/5 NITROGEN DIOXIDE 10pm Sat 4 Nov Northern England Air Ljvjl Quality (ppb) U5BAN sites Newcastle Centre Very Good 46 Billingham Very Good 6 Middlesbrough Very Good 34 Leeds Centre Good 91 Hull Centre Very Good 25 Manchester Very Good 39 Liverpool Centre Good 55 Sheffield Good 75 Data from Department of Environment C England S England Air Qual US MapsP413 CJEFAX 413 Sat 4 Nov 23:53/01 4/5 BENZENE Northern England For 24 hours to Avg Year 10pm Sat 4 Novjmbjr ppb avg All sites are U5BAN Middlisbrough Low 1.37 1 Leeds Low 3.36 1.32 Benzene is a substance that can cause cancer. Indjpjndjnt 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 Air Qual US MapsP413 CEEFAX 413 Sat 4 Nov 23:54/20 5/5 1,3-BUTBDIENE Northern England For 24 hours to Avg Year 1ppm Sat 4 Novjmbjr ppb avg All sites are URBAN Middlisbrough Low .28 .29 Leeds Low .85 .34 1,3-Butadiinj is a substance that can cause cancer. Indjpjndjnt 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 C England S England Air Qual UK Maps