????:1????????:51??app??????

2???95?

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