1?????:???????????

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