Re ECF Project: ECF 2017-99

Project Title: Tracking particulate matter pollution in Hong Kong and the Pearl River Delta: Ten-year variations (2008-2017)

Applicant: Professor YU Jianzhen, Department of Chemistry & Division of Environment and Sustainability, The Hong Kong University of Science and Technology

Total Approved Grant: $1,669,630

Duration: 1/2/2018 to 31/1/2021

Project Status/Remarks: On-going

The objectives of this project are:

  1. To generate a decadal set (2008-2017) of particulate matter (PM) 2.5 chemical composition data including specific source tracers for three sites in the region (one urban site in Hong Kong, one suburban and one urban site in the Pearl River Delta);
  2. To investigate the obtained data set by trend analysis and source analysis and establish whether, and the extent to which, the PM2.5 concentrations have changed over the ten-year period in relation to community development and the implementation of control measures; and
  3. To identify major contributing sources on high PM2.5 days and to evaluate the relative contributions of regional vs. local sources during the episodic events. The data analysis undertaken in this project will assist stakeholders and interested parties in understanding the trends in local and regional PM pollution, the major contributing sources, as well as the effectiveness of control measures in improving the air quality.

Summary of the Findings/Outcomes:
To be available upon completion of the project