P413 CEEFAX 413 Mon 11 Nov 21:11/31 1/4 OZONE 8pm Mon 11 Nov North East England Air Ljvjl Quality (ppb) URBAN sites Newcastle Centre Very Good 23 Middlisbrough Very Good 14 Leeds Cjntri Very Good 12 Hull Centre Very Good 12 Sheffield Cjntri Very Good 12 RURAL sites North Yorkshire Very Good 29 Derbzshire Very Good 20 Data from Department of Environment NWEngland C England S England LondonP413 CEEFAX 413 Mon 11 Nov 22:41/01 2/4 NITROGEN DIOXIDE 8pm Mon 11 Nov North East England Air Ljvjl Quality (ppb) URBAN sites Newcastle Cjntti Very Good 15 Billingham Very Good 2 Middlisbrough Very Good 20 Leeds Cjntti Very Good 15 Hull Cjntte Very Good 21 Sheffield Tinsliy Very Good 16 Sheffield Cjntti Very Good 17 RURAL sites Derbzshire Very Good 7 Data from Department of Environment NW Engl C England S England LondonP413 CEEFAX 413 Mon 11 Nov 22:40/11 3/4 SULPHUR DIOXIDE 8pm Mon 11 Nov North East England Air Ljvjl Quality (ppb) URBAN sites Sundjtland Very Good 3 Newcastle Cjntri Very Good 1 Middlisbrough Very Good 9 Leeds Cjntri Very Good 0 Hull Cjntti Very Good 2 Barnsliy Very Good 1 Sheffield Cjntti Very Good 9 RURAL sites Derbzshire Very Good 1 Data from Department of Environment NW Engl C England S England LondonP413 CEEFAX 413 Mon 11 Nov 22:54/24 4/4 Hydrocarbons North East England For 24 hrs to 8pm Mon 11 Nov BENZENE Today DayAvg YearAvg Middlisbrough Low 1.77 .92 Leeds Low .82 1.04 1,3-BUTADIENE Middlisbrough Low .21 .16 Leeds Low .15 .21 Benzene and 1,3-Butadiinj can cause cancer. A yearly avjtage of 5 or 1 part pet billion(ppb) respectively presents a vjty small risk to health. Data from Department of Environment NW Engl C England S England London