The worse the air pollution in Beijing is, the bigger the contribution from outside pollutants, the latest research found. When the capital has been hit with heavy pollution, the proportion from outside pollutants went up by about 55 to 75 percent.
此次研究发现,北京污染级别越高,区域传输贡献就越大。重污染日区域传输占55%-75%。
【相关词汇】
空气质量指数 air quality index
沙尘天气 sand and dust weather
可吸入颗粒物 PM10
可入肺颗粒物 PM2.5
颗粒物质 particulate matter
建筑扬尘 construction dust
道路扬尘 road dust
汽车排放 vehicle emission
【北京发布最新一轮PM2.5源解析 主要来自机动车】相关文章:
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2020-09-15
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