??
??2??21???? (??? ???????????????)?????1??,??168??,????????????????????????????????;???????????????????????????????????
????????????????21???1???,?339?????????(PM2.5)??????53.1???????????/??,??4.7%;????(PM10)??80?????/??,??8.1%???339????????78.0%,??0.5???
1?????????????????????,??“2+36”?????????PM2.5??61.0?/??????,??18.3%;????????????68.5%,????7.4??;??2.9%,??6.8?????1???????????,??PM2.5????28.3???????/????,?????23.5%?
1??,168??:PM2.5????20?????????????????????????????????????????????????????????????????????????????????????;PM2.5??20??????????????????????????????????????????????????????????????????????(??????) ???:??
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?????1?????:????????????????????????