Difference between revisions of "雾和灰霾的区别"
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Latest revision as of 13:37, 29 November 2018
这两者本身就难以泾渭分明地区分
霾,根据pm25和水平能见度观测;
雾,根据国家气象测站人工观测天气现象,结合2米湿度,10米风速,水平能见度观测数值;
定义雾,如果只用湿度,风速,能见度,需要>90%,静风,能见度小于1km;
两者常常共存,但是湿度低于90%一定不是雾;湿度高,不一定不是霾
霾的优先级,比雾高,所以同时满足两者的标准,skycon主要天气现象为霾,此次,air_qulity中仍然提供空气等级自然语言描述。