P410 CEEFAX 410 Tue 30 May 19:14/34 General U forecast 404 0 0 Regional details for Benzene, Ozone, Nitrogen Dioxide and Sulphur Dioxide Wbles, Scotland and N Ireland 411 0 Northern England 412 0 Central England 413 Southern England 414 0 0 Data from Department of Environment WblesOScot/NI N England Central South