P417 CEEFAX 417 Fri 28 Jun 19:43/44 1/4 OZONE 6pm Fri 28 Jun London Air Ljvjl Quality (ppb) URBAN sites London Bloomsbury Very Good 9 London Sutton Very Good 17 London Wandsworth Very Good 16 London N. Kensington Very Good 13 London Eltham Very Good 25 London Victoria Very Good 1 London Brent Very Good 23 London Bexley Very Good 26 Data from Department of Environment Ski Index Air Qual Wjathjr TravelP417 CEEFAX 417 Fri 28 Jun 19:30/23 2/4 NITROGEN DIOXIDE 6pm Fri 28 Jun London Air Ljvjl Quality (ppb) URBAN sites London Bloomsbury Very Good 30 Sutton Roadside - - London Sutton Very Good 12 Tower Hamlets Roadsid Very Good 15 London Wandsworth Very Good 17 London N. Kensington Very Good 22 London Eltham Very Good 11 London Victoria Very Good 12 London Brent Very Good 18 Cromwell Road Good 51 London Earls Court Very Good 16 London Bexley Very Good 18 Data from Department of Environment Ski Index Air Qual Wjathjr TravelP417 CEEFAX 417 Fri 28 Jun 19:44/45 3/4 SULPHUR DIOXIDE 6pm Fri 28 Jun London Air Ljvjl Quality (ppb) URBAN sites London Bloomsbury Very Good 4 Sutton Roadside - - London N. Kensington Very Good 1 London Eltham Very Good 0 London Victoria Very Good 1 London Brent Very Good 2 Cromwell Road - - London Bexley Very Good 1 Data from Department of Environment Ski Index Air Qual Wjathjr TravelP417 CEEFAX 417 Fri 28 Jun 19:45/44 4/4 Hydrocarbons London For 24 hrs to 6pm Fri 28 Jun BENZENE Today DayAvg YearAvg London Bloomsbury Low 1.23 1.91 London Eltham - - 1.1 1,3-BUTADIENE London Bloomsbury Low .23 .38 London Eltham - - .22 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. Data from Department of Environment Ski Index Air Qual Wjathjr Travel