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

2?????sn

3?????spa

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