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

2??????????

3??????200????

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