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