ການພະຍາກອນຄຸນນະພາບອາກາດ

ໃຫ້ສັງເກດວ່າການວັດແທກ PM 2.5 (ຝຸ່ນລະອອງລະອຽດ) ແມ່ນເອົາມາຈາກສະຖານີ: Hiraidemachi, Utsunomiya, Tochigi and the measurements for NO2 (nitrogen dioxide), SO2 (sulfur dioxide), CO (carbon monoxide) and O3 (ozone) are taken from the station: Chuo, Utsunomiya, Tochigi







