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