2020年12月31日，中国环境监测总站联合中央气象台、国家大气污染防治攻关联合中心、东北、华南、西南、西北、长三角区域空气质量预测预报中心和北京市生态环境监测中心，开展2021年1月上半月（1-15日）全国空气质量预报会商。
1YUESHANGBANYUE，SHOUCHIXUXINGLENGKONGQIYINGXIANG，QUANGUODABUKUOSANTIAOJIANZHENGTIXIANGDUIJIAOHAO，KONGQIZHILIANGYILIANGWEIZHU。QIZHONG，1-4RI，JINGJINJIZHONGNANBU、ZHANGSANJIAOBEIBU、SUWANLUYU、FENWEIPINGYUANDONGBUJIAOJIEDIQUKENENGCHUXIANQINGZHIZHONGDUWURAN，BUFENDIQUKENENGCHUXIANDUANSHIZHONGDUWURAN；11-15RI，HUABEINANBUJISUWANLUYUJIAOJIEDIQUKENENGCHUXIANYICIQUYUXINGZHONGZHIZHONGDUWURANGUOCHENG，XINJIANGTIANSHANBEIPODENGKENENGCHUXIANPM10ZHONGDUJIYISHANGWURAN。
JINGJINJIJIZHOUBIANQUYU：1YUESHANGBANYUE，QUYUDABUKONGQIZHILIANGYIYOULIANGWEIZHU。QIZHONG，1-4RI，HEBEIZHONGNANBU、SHANXIZHONGNANBU、SHANDONGXIBUHEHENANDABUKENENGCHUXIANPM2.5QINGZHIZHONGDUWURANGUOCHENG；8-9RI，HEBEIZHONGNANBU、SHANXIZHONGNANBU、SHANDONGXIBUHEHENANDABUYILIANGZHIQINGDUWURANWEIZHU；11-15RI，HENAN、SHANDONGJIHEBEINANBUKENENGCHUXIANPM2.5ZHONGZHIZHONGDUWURANGUOCHENG。
BEIJINGSHI：1YUESHANGBANYUE，KONGQIZHILIANGYIYOULIANGWEIZHU。QIZHONG，1-3RI，KONGQIZHILIANGWEILIANG；4-6RI，SHOULENGKONGQIYINGXIANG，KONGQIZHILIANGWEIYOU；7-15RI，KONGQIZHILIANGWEIYOULIANG。
ZHANGSANJIAOQUYU：1YUESHANGBANYUE，QUYUZHONGBEIBUKONGQIZHILIANGYIQINGZHIZHONGDUWURANWEIZHU，SHOUYAOWURANWUWEIPM2.5；NANBUYILIANGWEIZHU。QIZHONG，1-6RIHE9-15RI，ZHONGBEIBUJUDIKENENGCHUXIANDUANSHIZHONGDUWURANGUOCHENG，7-8RI，QUYUKONGQIZHILIANGZHENGTIYILIANGWEIZHU。
SUWANLUYUQUYU：1YUESHANGBANYUE，QUYUKONGQIZHILIANGYIQINGZHIZHONGDUWURANWEIZHU，SHOUYAOWURANWUWEIPM2.5。QIZHONG，1-6RIHE9-15RI，JUDIKENENGCHUXIANZHONGDUWURAN；7-8RI，ZHENGTIYILIANGWEIZHU。
FENWEIPINGYUAN：1YUESHANGBANYUE，QUYUDABUKONGQIZHILIANGYILIANGZHIQINGDUWURANWEIZHU，SHOUYAOWURANWUWEIPM2.5。QIZHONG，1-5RIHE12RI，SHANXIXINANBUJUDIKENENGCHUXIANZHONGZHIZHONGDUWURANGUOCHENG。
DONGBEIQUYU：1YUESHANGBANYUE，QUYUKONGQIZHILIANGYIYOULIANGWEIZHU。QIZHONG，1-4RI，LIAONINGZHONGXIBUWEILIANGZHIQINGDUWURAN；4-5RIHE8-15RI，HEILONGJIANGXINANBUWEILIANGZHIQINGDUWURAN。
HUANANQUYU：1YUESHANGBANYUE，QUYUNANBUKONGQIZHILIANGYIYOULIANGWEIZHU，ZHONGBEIBUYILIANGZHIQINGDUWURANWEIZHU。QIZHONG，2-4RI，ZHUSANJIAOHEGUANGXIJUDIKENENGCHUXIANPM2.5QINGDUWURANGUOCHENG；10-14RI，HUBEIZHONGDONGBUHEHUNANZHONGBEIBUKENENGCHUXIANPM2.5ZHONGDUWURANGUOCHENG。
XINANQUYU：1YUESHANGBANYUE，QUYUDABUKONGQIZHILIANGYIYOULIANGWEIZHU。QIZHONG，1-6RI、8-9RIHE13-15RI，SICHUANPENDIDONGBU、CHENGDOUPINGYUANJICHUANNANBUJUDIKENENGCHUXIANPM2.5QINGDUWURANGUOCHENG。
XIBEIQUYU：1YUESHANGBANYUE，QUYUDABUKONGQIZHILIANGYILIANGZHIQINGDUWURANWEIZHU。QIZHONG，1-4RI、8-9RIHE12RI，SHANXIZHONGNANBUJUDIKENENGCHUXIANDUANSHIPM2.5ZHONGDUWURAN；8-15RI，XINJIANGTIANSHANBEIPOCHENGSHIKENENGCHUXIANPM10ZHONGDUJIYISHANGWURANGUOCHENG。
