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