imagesData Climate and Environment

PM2.5 air pollution, mean annual exposure （µg/㎥） _15 countries

  • 2018・2019
  • 2016・2017

PM2.5大気汚染 年間平均濃度はインドがトップで、83.2µg/㎥。次いで、サウジアラビア、中国と続く。
日本の年平均値の環境基準（15µg/㎥以下）に達した国はすべて先進国で、それぞれの数値は以下の通り： 日本（13.5µg/㎥）、ドイツ（11.8µg/㎥）、イギリス（10.1µg/㎥）、アメリカ（7.7µg/㎥）。
直近2年を見ると、シンガポールやインドネシアは増加傾向で、中国、アメリカ、ドイツなどは減少傾向。

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Reference
The World Bank "World Development Indicators" ”PM2.5 air pollution, mean annual exposure (micrograms per cubic meter)”
Retrieved August  2024, from http://bit.ly/3hbSb7q

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India tops the list of countries with the highest annual average concentration of PM2.5, at 90.9 µg/m3. This is followed by Saudi Arabia and China. All the countries that reached Japan's annual average environmental standard (15 µg/m3 or less) were developed countries, with the respective figures as follows: Japan (11.7 µg/m3), the United States (7.4 µg/m3), the United Kingdom (10.5 µg/m3), and Germany (12.0 µg/m3). Looking at the last two years, Saudi Arabia in the Middle East has deteriorated at a faster rate than the others, with a 4.1% increase. On the other hand, Vietnam, the Philippines, the United Kingdom, and South Korea are on a downward trend.

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Reference The World Bank "World Development Indicators" ”PM2.5 air pollution, mean annual exposure micrograms per cubic meter)” Retrieved December 23, 2020, from (http://bit.ly/3hbSb7q

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