????:1??????????:?????????

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