1???????????:?????
???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????????????????????????????????????????????????????????????????????????(??) ?????:???