Lanzhou appears to spend contaminative weather expert to call a department coal fired and tail gas be caused by again

The sound that occupies China \” countrywide news broadcast \” report, gansu Province Lanzhou appears to spend contaminative weather again first this year, it is the city that the whole nation appears exclusively to be polluted again. Arrive from 10 days today, lanzhou city the city zone is enveloped between grey haze, visibility is very poor. Yesterday (14 days) detect show: Air pollution index is 402, belong to bad 3 class spend contaminative weather again, was that day the city that the whole nation appears exclusively to spend pollution again, first what discharge 120 towns that monitor in key of environmental protection ministry again. Yan Zijiang of deputy director general of bureau of Lanzhou city environmental protection says, but average concentration has achieved inspiratory grain thing every stere 0.392 milligram: Yan Zijiang: Contaminant chroma all lifts continuously, behave continuously for but inspiratory grain content. Slave station of Lanzhou city observatory grows Zhou Xiaojun explanation to say, near future of Lanzhou the city zone is in static wind condition basically, air relative humidity is higher, formed inversion layer, go against air to contaminant diffuses outwards and be transferred. In addition, the soot that heat addition coal fired causes, Yang Chen and motor vehicle tail gas pollute overlay, brought about contaminative index to lift. Lanzhou municipal government expresses, if today bright index of pollution of two days of the city zone exceeds 300, will carry out only even numbers of one class early-warning, motor vehicle to be restricted to go. In addition, 1/5 what because raise dirt pollution takes air pollution matter,discharge gross, arrive from now next year by January, lanzhou city prohibits in the round 4 areas cut the city zone hill builds the ground, construction that tear open change and operation of building construction cubic meter of earth, excavate of strict control road works. (The reporter is anxious be good at)