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) and the Sapporo atmospheric environment observation data breaking system (札幌市大気環境観測データ速報システム) (air.city.sapporo.jp)
Note that the measurement for CO (carbon monoxide) are taken from the station: Kita 33 Johigashi, Hokkaido Prefecture