????:1??????loft????:????????

2?????????500???

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