
Lưu ý phép đo PM 2.5 (hạt bụi mịn) được lấy từ trạm: Hiraidemachi, Utsunomiya, Tochigi and the measurements for NO2 (nitrogen dioxide), SO2 (sulfur dioxide), CO (carbon monoxide) and O3 (ozone) are taken from the station: Babadori, Utsunomiya, Tochigi







