

Lưu ý phép đo PM 2.5 (hạt bụi mịn) được lấy từ trạm: JP:札幌市清田区/清田 and the measurements for PM10 (respirable particulate matter) and CO (carbon monoxide) are taken from the station: Tsukisamuchuodori, Hokkaido Prefecture and the measurement for SO2 (sulfur dioxide) are taken from the station: JP:札幌市豊平区/東月寒







