根据国家海洋局东海分局公布的近期长江口近岸６５００Ｋ海域海洋环境监测评价公报。长江口内到东经１２２度１０分以西海域、杭州湾北岸海域水质均受到不同程度的污染,其中严重污染区域占评价海域的１９%。长江口外东经１２２度１０分以东海域水质污染程度相对较轻,均为一类海 According to the recently released Donghai Branch of the State Oceanic Administration, the recent marine environment monitoring assessment bulletin at 6500K of the Yangtze River estuary. In the Changjiang Estuary, water quality to the west of 122 degrees and 10 minutes east longitude and to the north coast of Hangzhou Bay were all polluted to varying degrees, of which 19% were seriously polluted. The water pollution in the east of the Yangtze River Estuary outside the east coast of 122 degrees and 10 minutes is relatively light,