??
??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???????????:??????????????????