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