????:1??????:????100?????

2??????????

3????????VX

4???????300?????

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