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京津冀及周边地区出现臭氧污染 损伤呼吸道和粘膜

2017-05-20 09:46:18   央广网

央广网北京5月20日消息(记者朱宏源)据中国之声《新闻和报纸摘要》报道,从5月16号以来,京津冀及周边地区受低压系统控制,且气温不断攀升,污染物扩散条件不利,光照加强、温度升高等气象因素为臭氧生成提供了更便利的条件。

中国气象科学研究院大气成分研究所副所长徐晓斌:华北地区进入夏季,昨天基本是无云状态,非常有利于光化学反应,臭氧是光化学反应,所以就是产生了高浓度的臭氧,形成了臭氧污染。高浓度臭氧会损伤呼吸道和粘膜;常规防护对臭氧无效。

徐晓斌建议,臭氧在一天中的指数变化与气温和光照有着直接关系,中午温度较高时建议大家减少外出。避免在阳光强烈的夏季长时间在室外活动。

原标题:京津冀及周边地区出现臭氧污染

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