توقعات جودة الهواء
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بيانات جودة الهواء مقدمة من: the Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム) (soramame.taiki.go.jp)
Note that the measurements for PM2.5 (fine particulate matter), SO2 (sulfur dioxide) and O3 (ozone) are taken from the station: Imaichi, Nikko, Tochigi and the measurement for CO (carbon monoxide) are taken from the station: Fujihara, Nikko, Tochigi