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2025-02-22 17:39:42 69211

??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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