??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???????????????????????????????????????????????????????????????????????????????(??) ???????:??? �?????�_????

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

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

2?????24??????

3????????????

4???????????

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