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

2????????????

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