????:1???98??:????

2?????????

3???????????

4???????

5????????

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