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)
Note that the measurements for PM10 (respirable particulate matter), NO2 (nitrogen dioxide) and SO2 (sulfur dioxide) are taken from the station: Shinonoifusetakada, Nagano, Nagano Prefecture