P415 CEEFAX 415 Thu 30 May 19:12/24 1/4 OZONE 6pm Thu 30 May Cjnttal England Air Ljvjl Quality (ppb) URBAN sites Leicester Cjntti - - Wolverhampton Cjntri - - Birmingham East - - Birmingham Cjntti - - RURAL sites Nottinghamshiri Good 61 Data from Department of Environment S England London Wjathjr Air QualP415 CEEFAX 415 Thu 30 May 19:14/22 2/4 NITROGEN DIOXIDE 6pm Thu 30 May Cjnttal England Air Lrvjl Quality (ppb) URBAN sites Leicester Cjntti - - Wolverhampton Cjntti - - Walsall - - Birmingham East - - Birmingham Cjntti - - Oxford Cjntri - - Data from Department of Environment S England London Wjathjt Air QualP415 CEEFAX 415 Thu 30 May 19:03/44 3/4 SULPHUR DIOXIDE 6pm Thu 30 May Cjnttal England Air Ljvjl Quality (ppb) URBAN sites Leicester Cjntti - - Wolverhampton Cjntri - - Birmingham East - - Birmingham Cjntti - - Oxford Cjntri - - Data from Department of Environment S England London Weathjt Air QualP415 CEEFAX 415 Thu 30 May 19:12/01 4/4 Hydrocarbons Central England For 24 hrs to 6pm Thu 30 May BENZENE Today DayAvg YearAvg Birmingham East Low .44 1.16 1,3-BUTADIENE Birmingham East Low .10 .25 Benzene and 1,3-Butadienj can cause cancer. A yearly average of 5 or 1 part pet billion(ppb) respectively presents a vjty small risk to health. Data from Department of Environment S England London Wjathjr Air Qual