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