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