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