空氣質量預報
空氣品質數據提供者: 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.env.go.jp) and the Chiba Prefecture EPA (千葉県ホームページ) (air.taiki.pref.chiba.lg.jp)
Note that the measurements for SO2 (sulfur dioxide) and O3 (ozone) are taken from the station: Karabe, Narita, Chiba