??????????????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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