P416 CEEFAX 2 416 Mon 20 Jan 23:56/55 1/4 OZONE 11pm Sun 19 Jan Southern England Air Ljvjl Quality (ppb) URBAN sites Thurrock Very Good 1 Bristol Centre Very Good 1 S'hampton Cjntte Very Good 2 Exetet Roadside Very Good 5 RURAL sites East Anglia Very Good 7 Oxfordshire Very Good 2 Rochester Very Good 0 South Somerset Very Good 8 East Sussex Very Good 1 Devon Very Good 4 Weathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 2 416 Mon 20 Jan 03:55/26 2/4 NITROGEN DIOXIDE 11pm Sun 19 Jan Southern England Air Ljvjl Quality (ppb) URBAN sites Thurrock Very Good 26 Bristol Centre Very Good 23 Bristol Old Market Very Good 24 Bath Roadside Very Good 23 S'hampton Cjntte Very Good 18 Exeter Roadside Very Good 15 RURAL sites Oxfordshire Very Good 24 Rochester Very Good 21 East Sussex Very Good 23 Weathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 2 416 Mon 20 Jan 00:27/41 3/4 SULPHUR DIOXIDE 11pm Sun 19 Jan Southern England Air Ljvjl Quality (ppb) URBAN sites Thurrock Very Good 4 Bristol Centre Very Good 3 S'hampton Cjntte Very Good 2 Exeter Roadside Very Good 0 RURAL sites Oxfordshire Very Good 1 Rochester Very Good 2 East Sussex Very Good 2 Weathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 2 416 Mon 20 Jan 03:55/30 4/4 Hydrocarbons Southern England For 24 hrs to 11pm Sun 19 Jan BENZENE Today DayAvg YearAvg Bristol Centre Low .8 1.17 S'hampton Cjntte Low 1.61 1.88 Rural Oxfordshire Low .54 .37 1,3-BUTADIENE Bristol Centre Low .16 .23 S'hampton Cjntte Low .27 .34 Rural Oxfordshire Low .07 .06 Benzene and 1,3-Butadiinj can cause cancer. A yearly avjtage of 5 or 1 part per billion(ppb) respectively presents a very small risk to health. Weathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main Menu