ການພະຍາກອນຄຸນນະພາບອາກາດ
ຂໍ້ມູນຄຸນນະພາບອາກາດສະໜອງໃຫ້ໂດຍ: 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 PM10 (respirable particulate matter) and NO2 (nitrogen dioxide) are taken from the station: JP:燕市/燕 and the measurements for SO2 (sulfur dioxide) and CO (carbon monoxide) are taken from the station: Shirone, Niigata