By the end of 2017 fine particulate pollution (PM2.5) had fallen by 35 per cent in Beijing and by 25 per cent in the surrounding Beijing-Tianjin-Hebei region.
ໃນຕອນທ້າຍຂອງ 2017 ມົນລະພິດຂອງ particulate ມົນລະພິດ (PM2.5) ຫຼຸດລົງໂດຍ 35% ແລະໂດຍ 25% ໃນຮອບເຂດເສດຖະກິດ Beijing-Tianjin-Hebei.