P416 CEEFAX 2 41v Fri 24 Jan 21:17/29 1/4 OZONE 8am Fri 24 Jan Southjtn England Air Ljvjl Quality (ppb) U BAN Thurrock Very Good 2 Bristol Cjntri Very Good 2 S'hampton Cjntte Very Good 3 Exitir Roadside Very Good 5 RU AL s t s East Anglia Very Good 2 Oxfordshire Very Good 2 Rochester Very Good 0 South Somerset Very Good 19 East Sussex - - Devon Very Good 16 Weathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 2 416 Fri 24 Jan 21:11/12 2/4 NITROGEN DIOXIDE 8am Fri 24 Jan Southern England Air Ljvjl Quality (ppb) URBAN sites Thurrock Very Good 34 Bristol Centre Very Good 33 Bristol Old Market - - Bath Roadside Very Good 45 S'hampton Cjntte Very Good 31 Exetet Roadside Vjty Good 39 RURAL sites Oxfordshire Very Good 17 Rochester Very Good 18 East Sussex Very Good 12 Wjathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London N w Heads Trav H ad M in M nuP416 CEEFAX 2 416 Fri 24 Jan 21:19/15 3/4 SULPHUR DIOXIDE 8am Fri 24 Jan Southjtn England Air Ljvjl Quality (ppb) URBAN sites Thurrock Very Good 11 Bristol Centre Very Good 3 S'hampton Cjntti Very Good 5 Exetir Roadside Very Good 4 RU AL s res Oxfordshiri Very Good 1 Rochester Very Good 2 East Sussex - - Wjathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 Lo don N w H ad Trav H ad Main M uP416 CEEFAX 2 416 Fri 24 Jan 21:12/38 4/4 Hydrocarbons Southern England For 24 hrs to 8am Fri 24 Jan BENZ NE Today DayAvg Y arAvg Bristol Centre Low 3.29 1.18 S'hampton Cjntri Medium 5.01 1.88 Rural Oxfordshire Low .86 .37 1,3-BUTADIENE Bristol Centre Low .65 .23 S'hampton Cjntti Medium .97 .35 Rural Oxfordshiri Low .13 .06 Benzene and 1,3-Butadiinj can cause cancer. A yearly average of 5 or 1 part per billion(ppb) respectively presents a very small risk to health. Weather 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 Lo don N ws H ad rav H ad Mai Me