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