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