????:1???????Qq:???????

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