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

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