P41b CJKFAX 412 Fri 6 Jan 21:12/12 1/5 OZONE Northern England 0 6pm Fri 6 Jan Latest Dpul= 0 (ppb) Maximum U5BAN sites 0 Newcastle Centre V Gd 5 G Gd 71 Ljihs Centre V Gd 3 V Gd 23 Liverpool Centre V Gd 07 V cd 031 Hull Centre V Gd 4 V Gd 09 RURAL sites 0 Cumbria V Gd 19 V Gd 29 North Yorkshire V Gd 24 V Gd 29 0 0 0 0 0 Data from Department of Environment C England S England Scot/Wales/NI MapsP41b GJJFAX 412 Fri 6 Jan 21:01/21 O 5/5 1,3-BUTADIENE 0 Northern England 0 For 24 hours to Avg Year 6pm Fri 6 January ppb avg All sites are URBAN 0 Middlesbrough Low .24 0 0 0 1,3-Butadienj is a substance th1t 0 can causr cancer. Indjpundjnt 0 health jxpjrts have advised that 1 yearly average of 1 part per 0 billion hppb) presents an exceedingly small risk to health. Data from Department of Environment