新加坡遭遇史上最严重雾霾天气
<p><span word="Smog">Smog</span> <span word="worsened">worsened</span> <span word="in">in</span> <span word="Singapore">Singapore</span> <span word="on">on</span> <span word="Wednesday">Wednesday</span> <span word="to">to</span> <span word="a">a</span> <span word="record">record</span> <span word="hazardous">hazardous</span> <span word="level">level</span>, <span word="as">as</span> <span word="smoke">smoke</span> <span word="from">from</span> <span word="forest">forest</span> <span word="fires">fires</span> <span word="in">in</span> <span word="neighboring">neighboring</span> <span word="Indonesia">Indonesia</span> <span word="blanketed">blanketed</span> <span word="the">the</span> <span word="island">island</span> <span word="country">country</span> <span word="in">in</span> <span word="one">one</span> <span word="of">of</span> <span word="its">its</span> <span word="worst">worst</span> <span word="air">air</span>-<span word="pollution">pollution</span> <span word="crises">crises</span>.</p><p>笼罩在新加坡上空的雾霾周三进一步加重，达到了创纪录的有害水平。这次雾霾天气是邻国印尼森林大火所引发的，也是新加坡遭遇的最严重空气污染危机之一。</p><p><span word="Singapore">Singapore</span>'<span word="s">s</span> <span word="air">air</span> <span word="quality">quality</span> <span word="briefly">briefly</span> <span word="reached">reached</span> <span word="officially">officially</span> <span word="designated">designated</span> '<span word="hazardous">hazardous</span>' <span word="levels">levels</span> <span word="for">for</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span> <span word="when">when</span> <span word="the">the</span> <span word="city">city</span>'<span word="s">s</span> <span word="three">three</span>-<span word="hour">hour</span> <span word="Pollutant">Pollutant</span> <span word="Standards">Standards</span> <span word="Index">Index</span>, <span word="a">a</span> <span word="measure">measure</span> <span word="of">of</span> <span word="air">air</span> <span word="quality">quality</span>, <span word="peaked">peaked</span> <span word="at">at</span> 321 <span word="in">in</span> <span word="the">the</span> <span word="late">late</span> <span word="evening">evening</span>. <span word="It">It</span> <span word="later">later</span> <span word="slipped">slipped</span> <span word="back">back</span> <span word="to">to</span> 218, <span word="pointing">pointing</span> <span word="to">to</span> '<span word="very">very</span> <span word="unhealthy">unhealthy</span>'' <span word="conditions">conditions</span>. <span word="The">The</span> <span word="spike">spike</span> <span word="surpassed">surpassed</span> <span word="the">the</span> <span word="previous">previous</span> <span word="peak">peak</span> <span word="of">of</span> 226 <span word="in">in</span> <span word="September">September</span> 1997 <span word="during">during</span> <span word="one">one</span> <span word="of">of</span> <span word="Southeast">Southeast</span> <span word="Asia">Asia</span>'<span word="s">s</span> <span word="worst">worst</span> <span word="stretches">stretches</span> <span word="of">of</span> <span word="air">air</span> <span word="pollution">pollution</span>.</p><p>新加坡的空气质量周三晚间首次短暂达到了官方认定的“有害”水平，当时新加坡衡量空气质量的污染物标准指数(<span word="Pollutant">Pollutant</span> <span word="Standards">Standards</span> <span word="Index">Index</span>)曾触及321。该指数基于过去三个小时的数据。指数随后回落至218，显示空气质量“非常不利于健康”。周三晚间的最高值超过了1997年9月份触及的上一次峰值226，当时东南亚经历了最严重的空气污染之一。</p><p><span word="The">The</span> <span word="pollution">pollution</span> <span word="was">was</span> <span word="caused">caused</span> <span word="mainly">mainly</span> <span word="by">by</span> <span word="fires">fires</span> <span word="on">on</span> <span word="Indonesia">Indonesia</span>'<span word="s">s</span> <span word="island">island</span> <span word="of">of</span> <span word="Sumatra">Sumatra</span> <span word="that">that</span> <span word="were">were</span> <span word="set">set</span> <span word="as">as</span> <span word="a">a</span> <span word="cheap">cheap</span>, <span word="though">though</span> <span word="illegal">illegal</span>, <span word="way">way</span> <span word="of">of</span> <span word="clearing">clearing</span> <span word="land">land</span> <span word="for">for</span> <span word="oil">oil</span> <span word="palm">palm</span> <span word="plantations">plantations</span>. <span word="The">The</span> <span word="smog">smog</span> <span word="first">first</span> <span word="shrouded">shrouded</span> <span word="Singapore">Singapore</span> <span word="and">and</span> <span word="southern">southern</span> <span word="stretches">stretches</span> <span word="of">of</span> <span word="Peninsular">Peninsular</span> <span word="Malaysia">Malaysia</span> <span word="over">over</span> <span word="the">the</span> <span word="weekend">weekend</span>. <span word="Singapore">Singapore</span> <span word="officials">officials</span> <span word="have">have</span> <span word="warned">warned</span> <span word="that">that</span> <span word="very">very</span> <span word="unhealthy">unhealthy</span> <span word="levels">levels</span> <span word="of">of</span> <span word="pollution">pollution</span> <span word="could">could</span> <span word="persist">persist</span> <span word="Thursday">Thursday</span>.</p>
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