???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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??:???????????,??????????,??????????????