空气质量预报
空气质量数据提供者: 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 Hiroshima Prefecture EPA (>広島県 大気情報ポータルサイト) (pref.hiroshima.lg.jp)
Note that the measurements for SO2 (sulfur dioxide) and CO (carbon monoxide) are taken from the station: Kamiyacho, Hiroshima Prefecture