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“日本xxxxxx软件”-梳理天下新闻

北京:2024日本xxxxxx软件年PM2.5年均浓度稳定达到国家空气质量二级标准

来源: 上海证券报
2025-01-02 18:31:16

最佳回答

“日本xxxxxx软件”北京:2024日本xxxxxx软件年PM2.5年均浓度稳定达到国家空气质量二级标准

  1月2日本xxxxxx软件日,北京市生态环境局召日本xxxxxx软件开2024年北京市空气质量新闻发布会。会上,北京市生态环境监测中日本xxxxxx软件心主任沈秀娥介绍,2024年北京市细颗粒物(PM2.5)年均浓度为30.5微克/立方米,稳定达到国家空气质量二级标准,可吸入颗粒物(PM10)、二氧化氮(NO2)、二氧化硫(SO2)年均浓度分别为54、24、3微克/立方米,均稳定达到国家空气质量二级标准。

  从同比变化情况来看,2024年北京市主要污染物的年均浓度实现同比改善,其中细颗粒物(PM2.5)同比下降6.2%,可吸入颗粒物(PM10)同比下降11.5%,二氧化氮(NO2)同比下降7.7%,二氧化硫(SO2)年均浓度继续保持极低的个位数水平。(记者 郎佳慧)

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