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當前位置:首頁(yè)  >  新聞中心  >  吸煙致PM2.5嚴重污染 專(zhuān)家呼吁室內禁煙

吸煙致PM2.5嚴重污染 專(zhuān)家呼吁室內禁煙

更新時(shí)間:2013-03-26      點(diǎn)擊次數:530

東京3月24日電由日本癌癥學(xué)會(huì )等18個(gè)學(xué)會(huì )組成的“推進(jìn)禁煙學(xué)術(shù)網(wǎng)絡(luò )”日前公布一項調查結果顯示,吸煙產(chǎn)生的煙霧中含有大量細顆粒物(PM2.5),嚴重污染可吸煙場(chǎng)所的室內空氣。專(zhuān)家呼吁,室內應*禁煙。
  
  推進(jìn)禁煙學(xué)術(shù)網(wǎng)絡(luò )成員、日本產(chǎn)業(yè)醫科大學(xué)教授大和浩等人率領(lǐng)的研究小組在2012年調查橫濱市內咖啡館的吸煙區時(shí)發(fā)現,約20分鐘內PM2.5平均值就可達每立方米空氣約440微克,zui高約880微克,已超過(guò)嚴重污染的程度。
  
  2010年,研究小組還檢測過(guò)日本國內的酒館、餐館、游戲廳和咖啡館等22處可以吸煙的營(yíng)業(yè)場(chǎng)所。結果發(fā)現,30分鐘內上述場(chǎng)所每立方米空氣的PM2.5平均值達到135毫克。
  
  大和浩說(shuō),希望人們能認識到暴露在高濃度的細顆粒物污染中是非常危險的,很多國家已經(jīng)制定了*禁止室內吸煙的法律,而日本則非常滯后。
  
  PM2.5是飄浮在大氣中的直徑2.5微米以下的細小顆粒物,只有花粉的十分之一大小,容易被吸到肺部深處。除吸煙外,工廠(chǎng)煙塵、汽車(chē)尾氣等也是PM2.5的主要來(lái)源,有可能引發(fā)哮喘和肺癌等。
 

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