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