空气质量预报
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空气质量数据提供者: 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.taiki.go.jp) and the Hokkaido Prefecture EPA (北海道) (pref.hokkaido.lg.jp)
请注意,PM 2.5 (细颗粒物)的测量值取自该站: Yoshikawacho, Hakodate, Hokkaido Prefecture and the measurement for O3 (ozone) are taken from the station: Mihara, Hakodate, Hokkaido Prefecture