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??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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