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“生化城市”的末日图景刺激起空气污染防护的新商机商业力量需要花费更长时间,研究如何面对这种工业化的后果在北京,近2000万人对PM2.5的恐慌与担忧尚未散去,一场对商机的争夺与“狂欢”就已上演。1月12日上午9点,北京监测到的PM2.5(大气中直径小于或等于2.5微米的颗粒物)指数最高值达到456,而美国大使馆在当天下午公布的数据则显示为845。一般情况下,PM2.5指数达到300就是6级重度污染级别。
Doomsday Pictures of Biochemical City Stimulate New Business Opportunities for Air Pollution Protection Commercial Power Take More Time to Study How to Face the Effects of Industrialization Nearly 20 million people in Beijing are panic-stricken and worried about PM 2.5 in Beijing Scattered, a fight for business opportunities and “Carnival ” has staged. At 9 am on January 12, the highest PM2.5 (particulate matter in the atmosphere with a diameter of 2.5 micrometers or less) was detected in Beijing at 456, while the data released by the U.S. embassy in the afternoon showed 845. Under normal circumstances, the PM2.5 index reached 300 is 6 serious pollution level.