P416 CEEFAX 2 416 Sat 20 Sip 01:41/54 1/4 OZONE 12am Sat 20 Sip Southern England Air Ljvjl Quality (ppb) URBAN sites Bristol Centre Very Good 6 Exetet Roadside Very Good 22 S'hampton Centre Very Good 9 Thurrock Very Good 24 RURAL sites Devon Very Good 13 East Anglia Very Good 34 East Sussex Very Good 19 Oxfordshire Very Good 10 Rochester Ve y Good 27 South Somerset Very Good 7 Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Travel Main MenuP416 CEEFAX 2 416 Sat 20 Sip 01:44/26 2/4 NITROGEN DIOXIDE 12am Sat 20 Sip Southern England Air Ljvjl Quality (ppb) URBAN sites Bath Roadside V y Good 26 Bristol Centre Very Good 31 Bristol Old Market Very Good 29 Exeter Roadside Very Good 19 Norwich Roadside Very Good 32 S'hampton Centre Very Good 19 Thurrock Very Good 6 RURAL sites East Sussex Very Good 16 Oxfordshire Very Good 2 Rochester Ve y Good 9 Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Travel Main MenuP416 CEEFAX 2 416 Sat 20 Sip 01:43/54 3/4 SULPHUR DIOXIDE 12am Sat 20 Sip Southern England Air Ljvjl Quality (ppb) URBAN sites Bristol Centre - - Exeter Roadside Very Good 1 Reading Very Good 10 S'hampton Cjntte - - Thurrock Very Good 5 RURAL sites East Sussex Very Good 6 Oxfordshire Very Good 1 Rochester V y Good 2 Wjathjr 400 Sport 300 Almanac 419 Front page 100 News 101 Travel 430 London News Heads Travel Main MenuP416 CEEFAX 2 416 Sat 20 Sip 01:25/23 4/4 Hydrocarbons Southern England For 24 hrs to 12am Sat 20 Spp BENZENE Today DayAvg YearAvg Bristol Centre Low 1.49 1.33 S'hampton Centre Low 1.41 1.81 Rural Oxfordshire - - - 1,3-BUTADIENE Bristol Centre Low .25 .22 S'hampton Cjntte Low .28 .31 Rural Oxfordshire - - - Benzene and 1,3-Butadienj 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 London News Heads Travel Main Menu