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)
ໃຫ້ສັງເກດວ່າການວັດແທກ PM 2.5 (ຝຸ່ນລະອອງລະອຽດ) ແມ່ນເອົາມາຈາກສະຖານີ: Suzumenomiya, Utsunomiya, Tochigi and the measurements for NO2 (nitrogen dioxide), SO2 (sulfur dioxide) and CO (carbon monoxide) are taken from the station: Shirasagi, Tochigi