北 京市环保局曾表示,去年PM2.5年均浓度为89.5微克/立方米,是WHO建议的接触限度的三倍多。在2013年1月空气格外糟糕的一天——说英语的人 通常称之为「airpocalypse」(空气末日),北京部分地区的PM2.5浓度是WHO建议的接触限度的40倍。
On Tuesday, which happened to be the 93rd birthday of the Chinese Communist Party, the PM 2.5 concentration in Beijing hit 168 micrograms per cubic meter, almost seven times the W.H.O. exposure limit, according to the United States Embassy’s rooftop air monitor. The air was a dismal gray soup the entire day, and the embassy rated it as “very unhealthy” in the evening.
美国大使馆屋顶上的空气污染监测器显示,周二,北京的PM2.5浓度达到了168微克/立方米,几乎是WHO接触限度的七倍,这一天正好是中国共产党的93岁生日。天空一整天都非常阴沉,大使馆在晚上将空气质量评定为「非常不健康」。
“The current pollution emission is far beyond the environmental capacity in the city, and any adverse climate condition would easily result in smoggy days,” Mr. Pan said, according to China Daily. “The key to current air quality improvement lies in emission reduction.”
据《中国日报》报道,「当前北京的污染物排放量仍远超环境容量,任何恶劣的气候条件都容易产生雾霾天,」潘涛说。「目前,改善空气质量关键在于减排。」
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