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“灰霾”突袭长三角多地 南京上空现“红与灰”碰撞奇观

2018-01-15 16:25:38   中国新闻网

中新网南京1月15日电 (杨颜慈)强冷空气“吹”来的久违“水晶天”,即将挥别长三角地区。15日起,盘旋于华北地区的“污染气团”,忽然转向南移,自北向南影响长三角。多地气象部门陆续发布天气预警,新一轮“灰霾”即将来袭。南京的天空中,落日余晖与灰霾形成明显交界,“红与灰”碰撞出天际“奇观”。

14日傍晚,南京上空出现罕见的“龙卷风”晚霞。随着灰霾南侵,晚霞与“灰色地带”形成明显交界线,这样的景象难得一见。 杨颜慈 摄

据中国环境监测总站发布的最新预警显示,京津冀区域受不利扩散条件影响,大气污染物不断累积,区域中南部重度污染形势将继续维持。同时,因风向转偏北风,污染气团南移,部分南方城市可能出现严重污染。

在长三角地区,今年的“三九”天颇为“特别”。连续了多日的“冰冻模式”戛然而止,气温从冰点“大踏步”回暖至14℃。正当市民感叹冬日暖阳的好天气之际,灰霾“悄悄”抵达。

14日傍晚,南京上空出现罕见的“龙卷风”晚霞。随着灰霾南侵,晚霞与“灰色地带”形成明显交界线,这样的景象难得一见。 杨颜慈 摄

14日傍晚,在南京城市最高点——紫金山头陀岭俯瞰全城,已然笼罩在一片灰霾之中。落日的余晖,与灰色“气层”在天空中划出明显的分界线。

江苏省环保厅通报,截至1月14日,河北省、山西省大部分地区空气质量处于重度污染水平,预计16日转偏北风后,污染气团将南移并自北向南影响江苏,多数城市可达重度污染水平。

根据《江苏省重污染天气应急预案》要求,自1月16日0时起,启动重污染天气蓝色预警。

今日凌晨,江苏部分城区、高速已飘起浓雾。在苏州、南通,浓雾致部分高速封闭。截至上午8时,江苏省大部分城市已达中度污染,其中徐州和常州更是达到了重度污染。

14日傍晚,南京上空出现罕见的“龙卷风”晚霞。随着灰霾南侵,晚霞与“灰色地带”形成明显交界线,这样的景象难得一见。 杨颜慈 摄

江苏省气象台首席预报员吴海英表示,因静稳条件有利于污染物积累,全省空气有轻度至中度污染,沿淮淮北地区有轻度霾。本周后期,受弱降水和弱冷空气影响,雾霾将逐渐消散。

在长三角的上海、浙江地区,因远离重污染核心地区,受本轮“灰霾”南侵影响相对较小,但仍会出现部分污染天。

上海中心气象台当天发布大雾黄色预警。预报称,16日夜间至18日受冷空气输送影响,空气质量以轻度污染为主,其中17日污染程度较重,短时可达重度污染,并伴有轻度霾。

在浙江省,杭州市环境监测站和杭州市气象台联合发布空气质量预报:15日杭州市区空气质量指数飙升至85到105,首要污染物为PM2.5,空气质量等级良到轻度污染。明后天空气质量或将进一步恶化,空气质量升为轻度污染。(完)

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