대기질 예보
대기질 데이터 제공: 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 NO2 (nitrogen dioxide), SO2 (sulfur dioxide) and O3 (ozone) are taken from the station: Amori, Nagano, Nagano