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

2??????????

3???929598?

4?????app??

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