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Air quality in HK,300字,plz

發問:

Air quality in Hong Kong , 300-400字.中學程到english!!!!

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• 請問由大埔點樣去海洋公園-

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Air Quality Monitoring Network of Hong Kong 圖片參考：http://www.epd.gov.hk/epd/english/environmentinhk/air/air_quality/images/map2.gif The air quality monitoring network in Hong Kong of the Environmental Protection Department (EPD) comprises fourteen fixed monitoring stations as of July 1999 to meet the following objectives:- To understand air pollution problems in order that cost-effective policies and solutions can be developed; To assess how far standards and targets are being achieved or violated; To assist the assessment of public's exposure to air pollution; and To provide public information on current and forecast air quality. The network is designed and operated to meet the highest international standards. It is certified by the Hong Kong Laboratory Accreditation Scheme. In addition to the EPD's stations, other independent monitoring units are operated, for example, those being operated by the power companies in order to assess the air quality impact of their power stations. API Calculation Method API is the conversion of the ambient respirable suspended particulate (RSP), sulphur dioxide (SO2), carbon monoxide (CO), ozone (O3) and nitrogen dioxide (NO2) concentrations measured at our air quality monitoring network to a scale of 0 to 500. An index of 100 corresponds to the short-term Hong Kong Air Quality Objectives (HKAQO) estabished under the Air Pollution Control Ordinance

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