Hsin-Chih Lai1,2, Shih-Ming Chung4, Li-Ling Li4, Wen-Yinn Lin3, Min-Chuan Hsiao This email address is being protected from spambots. You need JavaScript enabled to view it.1,2 

1 Department of Green Energy and Environmental Resources, Chang Jung Christian University, Tainan, Taiwan
2 Environmental Research and Information Center, Chang Jung Christian University, Tainan, Taiwan
3 Institute of Environmental Engineering and Management, National Taipei University of Technology, Taipei, Taiwan
4 Green Energy and Environment Research Laboratories, Industrial Technology Research Institute (ITRI), Taipei, Taiwan

Received: January 3, 2024
Revised: March 31, 2024
Accepted: May 2, 2024

 Copyright The Author(s). This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Download Citation: ||https://doi.org/10.4209/aaqr.230268  

Cite this article:

Lai, H.C., Chung, S.M., Li, L.L., Lin, W.Y., Hsiao, M.C. (2024). Analysis of Air Quality and Health Co-Benefits under Low Carbon Pathway in Taiwan. Aerosol Air Qual. Res. 24, 230268. https://doi.org/10.4209/aaqr.230268


  • Correlation between electricity generating capacity and air pollutant emissions.
  • Assessing the power sector's impact on GHG reduction and air quality improvement.
  • Analyze the co-benefits of air quality and human health in a Low-carbon scenario.


Climate change has been proven to have adverse effects on human health and ecosystems, especially, the continuous increase in greenhouse gas emissions that are able to drive extreme weather events around the world. Besides greenhouse gas emissions and air pollution also have a mutual relationship. The PM2.5 concentration has been decreasing year by year, but the ozone concentration has been slowly increasing, indicating that ozone issues will be a focus of concern in Taiwan in the future. Therefore, this study focuses on air pollution and its health impacts on power generation on climate change scenario. The air quality in 2050 was estimated in this study by using the Long-range Energy Alternatives Planning System (LEAP) model and the Weather Research and Forecasting-Community Multiscale Air Quality Modeling (WRF-CMAQ) system. The future power plants’ emissions were calculated by historical inventory and the power generation from 2010 to 2016. The simulation results revealed the low-carbon path in the electricity industry can lead to some improvements in air quality and also the associated health benefits. This study demonstrates that implementing carbon reduction strategies in the power sector would lead to a slight increase in ozone concentration. In detail, the annual PM2.5 concentrations would decrease by 0.7 µg m–3 (4%) from BAU (Business As Usual) scenario, while the O3 concentrations would have an increase of 0.3 ppb (1%). The reduction of air pollution can prevent 1012 (374–2463) deaths, saving around 48.9 billion NTD in health monetary costs. In the short term, it is projected that there may be a decrease of 45 patients hospitalized due to respiratory diseases and 53 patients hospitalized due to cardiovascular diseases. Moreover, the reductions in the power sector are expected to have more significant impacts in densely populated areas due to their combination of industrial and residential zones.

Keywords: Low-carbon path, Air quality, Health benefit

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