空氣質量預報
空氣品質數據提供者: 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 NO2 (nitrogen dioxide), CO (carbon monoxide) and O3 (ozone) are taken from the station: Nishihabumachi, Matsuyama, Ehime