????:1???????:???????

2???????????

3??????????

4??????????

5??????????

????????????6????????????23????(????? ????)22????????23????????????????,????????(?????)?,??????6??????????????,????10????,??

22???????????????

???,22?????????,????????,??(PM10)????3-4???,????????

22????,??????????????, PM10???????????2????????????????????5?????,??,??22??,????,PM10???,13-18??????270?????/?????,????????4?????,??PM10?900????/?????????,???????6???????????

23???????????

??????,22??????????????????????,????????????

22????????23???????????,??????????PM10?200??????????/???????????,??,??PM10????,23????????????5???????????470??/???????????????????

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??????????,????????????,???????,???????????????????????????,????????,?????????????

??????,?????,?????????????????????????????????????,PM10?????20????;?????,??PM10??,????

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????,????????,???,??????6???,??,?,??????????????????????,??50%????????????,???????????????2??,?5??,????????????????????,?????21-22?,?????,????????????,?6?????,??????,??

???????,????????,??????,????????,??????????????????????,????????????????????,??6???????7?,????,??????????,?????????????????????PM2.5?????????????????,????(???) ??????????????????:??????