| 10-13 ˮ��������������̬���������2007��2009�꣩ | ||||
| Water, Atmospheric, Acoustic and Ecological Environment, 2007-2009 | ||||
| ָ �� | Item | 2007 | 2008 | 2009 |
| ˮ �� �� | Water Environment Conditions | �� | �� | �� |
| ��ˮ�ŷ�����(���) | Volume of Waste Water Discharged (10 000 tons) | 56928 | 60715 | 59647 |
| ��ҵ��ˮ | Industrial Waste Water | 21444 | 20443 | 19441 |
| ������ˮ | Residential Waste Water | 35484 | 40272 | 40206 |
| ��ҵ��ˮ�ŷŴ����(���) | Volume of Meeting Standard for Industrial | �� | ||
| Waste Water Discharged (10 000 tons) | 21382 | 20423 | 19440 | |
| ��ˮ��ѧ�������ŷ�����(���) | COD of Waste Water Discharged (10 000 tons) | 13.73 | 13.31 | 13.30 |
| ��ҵ��ˮ | Industrial Waste Water | 3.07 | 2.78 | 2.35 |
| ������ˮ | Residential Waste Water | 10.66 | 10.53 | 10.95 |
| ��������ˮԴ��ˮ�ʴ����(%) | Urban Drinking Water Sources Quality Rate (%) | 100 | 100 | 100 |
| ������������ˮ�ʴ����(%) | Inshore Area Water Quality Rate (%) | 59.4 | 58.3 | 58.3 |
| �������� | Atmospheric Environment Conditions | �� | ||
| ��������״�� | Ambient Air Quality | �� | ||
| �����������(����/������) | (PM10) Particulate Matters (milligram/cu. m) | 0.093 | 0.088 | 0.100 |
| ��������(����/������) | (SO2) Sulphur Dioxide (milligram/cu. m) | 0.062 | 0.061 | 0.055 |
| ��������(����/������) | (NO2) Nitrogen Dioxide (milligram/cu. m) | 0.043 | 0.041 | 0.040 |
| ���������ﵽ�����ڶ���������(��) | Days of Air Quality Equal to or Above Grade II (day) | 320 | 322 | 307 |
| ������������������(%) | Ambient Air Quality Fine Rate (%) | 87.7 | 88.2 | 84.1 |
| ��Ҫ��Ⱦ���ŷ���� | Major Pollutant Emission | �� | ||
| ��ҵ�����ŷ�����(�ڱ�������) | Volume of Industrial Waste Gas Emission | �� | ||
| (100 million cu.m) | 5506 | 6005 | 5983 | |
| �����ж��������ŷ���(���) | Sulphur Dioxide in Waste Gas (10 000 tons) | 24.47 | 24.01 | 23.67 |
| ��ҵ�������� | Industrial SO2 | 22.48 | 20.98 | 17.30 |
| ����������� | Residential SO2 | 1.99 | 3.03 | 6.37 |
| ��ҵ���������ŷŴ����(���) | Total Meeting Standard Volume of Industrial SO2 (10 000 tons) | 22.17 | 20.90 | 17.25 |
| �̳��ŷ���(��) | Volume of Dust Emission (ton) | 73792 | 70202 | 71323 |
| ��ҵ�̳� | Industrial Dust | 62714 | 58465 | 58687 |
| �����̳� | Residential Dust | 11078 | 11737 | 12636 |
| ��ҵ�̳��ŷŴ����(��) | Volume of Industrial Dust (ton) | 62714 | 58465 | 58687 |
| ��ҵ�۳��ŷ���(��) | Volume Meeting of Industrial Dust Emission (ton) | 9436 | 7439 | 7946 |
| ��ҵ�۳��ŷŴ����(��) | Total Standard Volume of Industrial Dust Emission (ton) | 9436 | 7439 | 7946 |
| �� �� �� (�ֱ�) | Acoustic Environment Conditions (decibel) | �� | ||
| ��·��ͨ����ƽ������ | Equivalent Sound Level of City Traffic Noise | 67.7 | 67.8 | 67.7 |
| ���ij�����������ƽ������ | Urban Area Average Environmental Noise Level | 54.7 | 54.6 | 54.7 |
| ��̬���� | Ecological Environment Conditions | �� | ||
| ��Ȼ������(��) | Nature Reserves (unit) | 8 | 8 | 8 |
| # ���Ҽ���Ȼ������ | State-level Nature Reserves | 3 | 3 | 3 |
| ��Ȼ���������(����) | Nature Reserves Area (10 000 hectare) | 16.28 | 15.42 | 9.11 |