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