??????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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