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