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