???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??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????(??) ????:??? “???????????”???

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

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

2??????

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

4?????95?

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