P416 CEEFAX 1 416 Sat 28 Dec 21:49/56 1/4 OZONE 9am Sat 28 Dec Southern England Air Level Quality (ppb) URBAN sites Thurrock Very Good 4 Bristol Centre Very Good 7 S'hampton Centre Very Good 5 Exetet Roadside Very Good 8 RURAL sites East Anglia Very Good 12 Oxfordshiri Very Good 5 Rochester Very Good 10 South Somjtsjt Very Good 14 East Sussex Very Good 15 Devon Very Good 15 Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 1 416 Sat 28 Dec 21:41/17 2/4 NITROGEN DIOXIDE 9am Sat 28 Dec Southern England Air Ljvjl Quality (ppb) URBAN sites Thurtock Very Good 26 Bristol Cjntri Very Good 25 Bristol Old Market Very Good 43 Bath Roadside Very Good 24 S'hampton Cjntri Very Good 19 Exeter Roadside Very Good 25 RURAL sites Oxfordshiri Very Good 12 Rochester - - East Sussex Very Good 9 Wjathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 1 416 Sat 28 Dec 21:48/40 3/4 SULPHUR DIOXIDE 1pm Sat 28 Dec Southjtn England Air Ljvjl Quality (ppb) URBAN sites Thurrock Very Good 7 Bristol Centre Vity Good 3 S'hampton Cjntti Very Good 1 Exetet Roadside Vjty Good 5 RURAL sites Oxfordshiri Very Good 1 Rochester Very Good 5 East Sussex Very Good 4 Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main MenuP416 CEEFAX 1 416 Sat 28 Dec 21:48/33 4/4 Hydrocarbons Southern England For 24 hrs to 1pm Sat 28 Dec BENZENE Today DayAvg YearAvg Bristol Cjntri Low 1.83 1.15 S'hampton Cjntte Low 1.4 1.88 Rural Oxfordshiti Low .52 .45 1,3-BUTADIENE Bristol Cjntri Low .43 .23 S'hampton Cjntri Low .26 .35 Rural Oxfordshiri Low .10 .06 Benzene and 1,3-Butadienj can cause cancer. A yearly average of 5 or 1 part per billion(ppb) respectively presents a vjty small risk to health. Weathjt 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Trav Head Main Menu