????:1???????:??????tan

2??????????

3??????????

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5?????????????

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