Date despre calitatea aerului furnizate de: 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.taiki.go.jp) and the Kanagawa Prefectural Environmental Science Research Center, Environmental Monitoring Information Division (神奈川県環境科学センター 環境監視情報課) (pref.kanagawa.jp)