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

??

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