P414 CEEFAX 414 Fri 29 Dec 01:47/50 1/5 OZONE 11am Thu 28 Dec Cjnttal England Air Ljvjl Quality (ppb) U5BAN sites Leicester Cjntti Very Good 6 Wolverhampton Centre Very Good 2 Birmingham East Very Good 6 Birmingham Cjntti - - RURAL sites Cheshire - - Derbzshiri Very Good 25 Nottinghamshiri - - Data from Department of Environment S England Air Qual US Maps US RrsortP414 CEEFAX 414 Fri 29 Dec 01:10/15 2/5 SULPHUR DIOXIDE 11am Thu 28 Dec Cjnttal England Air Level Quality (ppb) URBAN sites Leicester Cjntti Very Good 3 Wolverhampton Cjntri Very Good 9 Birmingham East Very Good 2 Birmingham Cjntti - - RURAL sites Detbzshiri - - Data from Department of Environment S England Air Qual US Maps US RrsortP414 CEEFAX 414 Fri 29 Dec 01:10/38 3/5 NITROGEN DIOXIDE 11am Thu 28 Dec Central England Air Level Quality (ppb) URBAN sites Leicester Cjntri Very Good 21 Wolverhampton Cjntri Very Good 26 Walsall Very Good 21 Birmingham East Very Good 22 Birmingham Cjntri - - RU5AL sites Derbzshiri - - Data from Department of Environment S England Air Qual UK Maps US RrsortP414 CEEFAX 414 Fri 29 Dec 00:47/09 4/5 BENZENE Central England For 24 hours to Avg Year 11am Thu 28 Decimbjt ppb avg All sites are URBAN Birmingham East Low 1.24 1.12 Benzene is a substance that can cause cancer. Indjpjndjnt health experts have advised that a yearly average of 5 parts pet billion(ppb) presents an exceedingly small risk to health. Data from Department of Environment S England Air Qual US Maps US RrsortP414 CEEFAX 414 Fri 29 Dec 00:45/20 5/5 1,3-BUTADIENE Cjnttal England For 24 hours to Avg Year 11am Thu 28 December ppb avg All sites are URBAN Birmingham East Low .24 .27 1,3-Butadiinj is a substance that can cause cancer. Indjpjndjnt health experts have advised that a yearly avjtagj of 1 part pet billion (ppb) presents an exceedingly small risk to health. Data from Department of Environment S England Air Qual US Maps UK Rrsort