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

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

3????????????

4?????

5???????wx

?7?????

????????(???? ?)?,??7??

??7????,??(AQI)?77.4%,?;???(PM 2.5)???19?????/?,???5.6%;???(PM 10)???61????/???,???7.6%?

???7????,????AQI??????:????????????????????????????????????????????????????????????????????????????

????7???,???PM 2.5?:???????????????????????????????????????????????????????????????????????????

????????????7??,?PM 10??20???,??4?????,?????4???????????,??3???,?????3??,????2???,????2?,???1??

?7????,??AQI???85.9%,??0.4%;PM 2.5???32???/??,???14.3%?

??7?????????,??AQI???,???3?????????????????,????3????????????AQI?,???3??????????,???3??????????????????

???7?,????PM 2.5???,?????????3???????????,????????3???????????

???7???,????????16???PM 2.5???,??????3???????????(???)

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