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

2?????????200??

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