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Review
. 2022 Jan 28;19(3):1522.
doi: 10.3390/ijerph19031522.

Research Priorities of Applying Low-Cost PM2.5 Sensors in Southeast Asian Countries

Shih-Chun Candice Lung  1   2 , To Thi Hien  3   4 , Maria Obiminda L Cambaliza  5   6 , Ohnmar May Tin Hlaing  7 , Nguyen Thi Kim Oanh  8 , Mohd Talib Latif  9 , Puji Lestari  10 , Abdus Salam  11 , Shih-Yu Lee  1 , Wen-Cheng Vincent Wang  1 , Ming-Chien Mark Tsou  1 , Tran Cong-Thanh  3   12 , Melliza Templonuevo Cruz  6 , Kraichat Tantrakarnapa  13 , Murnira Othman  14 , Shatabdi Roy  11 , Tran Ngoc Dang  15 , Dwi Agustian  16
Affiliations
Review

Research Priorities of Applying Low-Cost PM2.5 Sensors in Southeast Asian Countries

Shih-Chun Candice Lung et al. Int J Environ Res Public Health. .

Abstract

The low-cost and easy-to-use nature of rapidly developed PM2.5 sensors provide an opportunity to bring breakthroughs in PM2.5 research to resource-limited countries in Southeast Asia (SEA). This review provides an evaluation of the currently available literature and identifies research priorities in applying low-cost sensors (LCS) in PM2.5 environmental and health research in SEA. The research priority is an outcome of a series of participatory workshops under the umbrella of the International Global Atmospheric Chemistry Project-Monsoon Asia and Oceania Networking Group (IGAC-MANGO). A literature review and research prioritization are conducted with a transdisciplinary perspective of providing useful scientific evidence in assisting authorities in formulating targeted strategies to reduce severe PM2.5 pollution and health risks in this region. The PM2.5 research gaps that could be filled by LCS application are identified in five categories: source evaluation, especially for the distinctive sources in the SEA countries; hot spot investigation; peak exposure assessment; exposure-health evaluation on acute health impacts; and short-term standards. The affordability of LCS, methodology transferability, international collaboration, and stakeholder engagement are keys to success in such transdisciplinary PM2.5 research. Unique contributions to the international science community and challenges with LCS application in PM2.5 research in SEA are also discussed.

Keywords: Asian PM sources; Hi-ASAP; PM2.5 regional transport; air quality and health; co-benefit of climate and health; exposure and health relationships; low-cost PM2.5 sensors; transdisciplinary research.

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Conflict of interest statement

The authors declare no conflict of interest.

Figures

Figure 1
Figure 1
The geographic distribution of the participating research groups in the 2019 workshop by their respective countries (colored); countries in green are the eight countries included in this paper.
Figure 2
Figure 2
Review framework based on the progression of emission sources to health impacts. Numbers in the figure are research focuses reviewed in this paper. Blue indicates environment-related and red indicates human-related focuses.
Figure 3
Figure 3
Diagram of policy impacts with intervention points along the progression of PM2.5 from sources to health impacts. The intervention points (green arrows) are numbered by letters according to the order of the identified research priorities (1–4), with point A corresponding to priorities 1 and 2, point B to 3, and point C to 4. Black solid arrows indicate the PM2.5 progression from sources to health impacts. Black dash arrows indicate policies that impact or are being impacted upon.
See this image and copyright information in PMC

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