??
???????????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????????????????????????????????????????????????????????????????????????????????(??) ?????:????
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?????1???????????:??????????????????