ການພະຍາກອນຄຸນນະພາບອາກາດ


Note that the measurements for SO2 (sulfur dioxide) and O3 (ozone) are taken from the station: Ashiyamachō, Sakado-shi, Saitama-ken and the measurement for CO (carbon monoxide) are taken from the station: Miyashitamachi, Kawagoe, Saitama







