대기질 예보
Air Quality Data provided by: 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 measurement for CO (carbon monoxide) are taken from the station: Kamihongō, Matsudo-shi, Chiba-ken