东北供暖开始雾霾爆表、学校停课-快科技-科技改变生活

东北供暖开始雾霾爆表、学校停课

万南
2015年11月03日 13:23
0

东北三省陆续进入冬季供暖期，虽然室内是暖和了，但室外的雾霾问题却是异常严峻。

据报道，昨日，吉林全省多地陷重度雾霾中，空气中充斥着浓烈的刺鼻气味儿，气象台相继发布霾橙色和黄色预警，而中新网称，今天上午，哈尔滨遭遇首个重度雾霾天，主城烟雾弥漫，AQI达400以上，乃至部分中小学宣布停课。

根据环保部《环境空气质量指数(AQI)技术规定》分级方法，空气质量指数（AQI）在200-300之间为重度污染；在301-500之间为严重污染，空气重污染分为4个预警级别，由轻到重顺序依次用蓝、黄、橙、红颜色标示，黄色预警即预测未来1天出现严重污染或持续3天出现重度污染；蓝色预警即预测未来1天出现重度污染。

图片来自腾讯

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#雾霾 #东北 #天气

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