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

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??????????????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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