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2019-12-26 21:23:13 cri |
Bayanai na nuna cewa, a Beijing-Tianjin-Hebei da lardunan dake kewaya da su, a watan Nuwamba yawan kwanakin da ake samun iska mai inganci, ya tashi daga kaso 18.6 cikin 100 zuwa kaso 63 cikin 100 bisa makamancin lokaci na bara.
Haka kuma, daga watan janairu-Nuwamban wannan shekara, an samu rahoton ingancin iska a sauran yankunan kasar, inda yawan sinadaran gurbata iska na PM2.5 da ke yankunan tsakiya da kudu maso yammacin kasar ya ragu da kaso 22 cikin 100 da kuma kaso 13 cikin 100 bi da bi kan makamancin lokaci na bara.
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