??
??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????????????????????????????????????????????????????????????????????????????????????????????(???) ????:???
?????????
?????1???????????:??????????????????