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December 19th, 2007:

Air Quality Monitoring Network

A report on the results from the Air Quality Monitoring Network (AQMN) (2006)

Air Science Group
Environmental Protection Department
The Government of the Hong Kong Special Administrative Region

This report summarises the 2006 air quality monitoring data collected by the Environmental Protection Department’s monitoring network.

As a result of the enhanced vehicle emission control programme implemented by the Government since 2000, concentrations of respirable suspended particulates, nitrogen oxides and sulphur dioxide at roadside have been dropping gradually over the past few years.

Over the past years, concentrations of ozone have been on a slow rising trend, reflecting a deterioration in regional air quality. On this front, the Hong Kong Special Administrative Region Government and the Guangdong Provisional Government are implementing a Regional Air Quality Management Plan to improve air quality in the Pearl River Delta Region.

As in previous years, concentrations of sulphur dioxide, carbon monoxide and lead remained at levels well below their respective Air Quality Objectives limits in 2006.

See the full report on the results from the Air Quality Monitoring Network