Workshop on National Air Quality Monitoring Systems and Methodologies with Related Partners

27 July 2022 – Bangkok, Thailand

The Network Center for the EANET organized the Workshop on National Air Quality Monitoring Systems and Methodologies with Related Partners online on 6 July 2022. It gathered scientists and researchers, government officers, technicians including Quality Assurance/Quality Control managers, and representatives of international organizations who discussed how to improve the EANET monitoring system. 180 participants from 17 different countries and regions joined the Workshop.

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Opening Session

Moderated by Ms. Yao Dong, Assistant Deputy Director General of the Asia Center for Air Pollution Research (ACAP) in charge of the Network Center (NC) for the EANET, the Workshop started with Opening and Welcome Remarks by Dr. Shiro Hatakeyama, Director General of ACAP in charge of the NC for the EANET and followed by Mr. Toshiyuki Yamasaki, Director of the International Cooperation Office, Environmental Management Bureau, the Ministry of the Environment, Japan.

Dr. Shiro Hatakeyama and Mr. Toshiyuki Yamasaki delivered the opening remarks.

Remarks emphasized the introduction of new monitoring substances such as (but not only) ammonia, particulate matter, and volatile organic compounds, following the expansion of the scope of the EANET as decided by the IG23, and the need to adapt EANET’s monitoring system accordingly. The new EANET Project Fund mechanism, allowing the EANET and other organizations to collaborate on acid deposition and air-quality related projects, was also introduced.

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Lectures and panel discussion

Among its key activities, the EANET is currently monitoring atmospheric substances at 64 monitoring sites in the EANET Participating Countries. The monitoring focuses on five items – wet deposition, dry deposition (air concentration), soil and vegetation, inland aquatic environment, and catchment-scale monitoring.

The Workshop on National Air Quality Monitoring Systems and Methodologies with Related Partners was funded by the Ministry of the Environment, Japan, and implemented by the Network Center for the EANET. Its goal was to share a wide range of national and international experiences in the field of atmospheric monitoring while discussing the current development and future challenge of monitoring systems and related methodologies in the EANET region.

Panelists during the discussion sessions.

The first session introduced the EANET monitoring activities and was followed by case studies from Japan, the Republic of Korea, and China. In addition, specific monitoring methodologies including QA/QC activities were also introduced.

Dr. Meng Fan delivered the closing remarks.

In the second session, a panel discussion, followed by an open discussion, took place to exchange ideas on specific country challenges and discuss how to link EANET’s work with urban monitoring. Members of the EANET Scientific Advisory Committee (SAC) and from other organizations, such as Clean Air Asia, joined the discussion.

Closing remarks were provided by Dr. Fan Meng, Deputy Director General of ACAP in charge of the NC for the EANET, who summarized the highlights of the Workshop and thanked all speakers and participants for their active contribution. Among the key outcomes of the Workshop, Dr. Meng emphasized the question of linking EANET’s work with city-level monitoring and the challenge to measure volatile organic compounds and secondary pollutants.

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Useful Resources
  • View the full recording of the Workshop on the EANET Secretariat’s Youtube channel
  • Download the Workshop’s Program
  • View the Workshop’s photos on Flickr
  • Download the Workshop’s presentations:

Development and role of monitoring system in EANET and the case study of Japan

Latest National and Local/City Monitoring System in the Republic of Korea

Study on the Co-control of PM2.5 and Ozone Pollution in Beijing, Tianjin, Hebei, and Surrounding Region of China

Monitoring methodologies and QA/QC activities in the EANET

-Introduction to EANET Project Fund and Project Activities 2022-2023

  • Find out more on the topic of the nitrogen cycle, touched upon during the panel discussion, by reading Prof. Akimoto’s et al. related research papers:

Review of Comprehensive Measurements of Speciated NOy and its Chemistry: Need for Quantifying the Role of Heterogeneous Processes of HNO3 and HONO (2020)

Rethinking of the adverse effects of NOx-control on the reduction of methane and tropospheric ozone – Challenges toward a denitrified society (2022)

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Photo credits: All rights reserved to EANET.

EANET Seminar on Expanding Monitoring Systems using LCS

23 August 2022 – Niigata, Japan

The Network Center for the EANET organized the Seminar on Expanding Monitoring Systems using Low-Cost Sensor (LCS) online on 21 July 2022. It gathered representatives, experts, and practitioners of air quality monitoring from the EANET Participating Countries, and other participants from international organizations, academia, and monitoring-related service providers. 127 participants joined the Seminar.

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Opening Session

The Seminar started with the Opening and Welcome Remarks by Dr. Shiro Hatakeyama, Director General of the Asia Center for Air Pollution Research (ACAP) in charge of the NC for the EANET, and by Dr. Mushtaq Memon, Regional Coordinator for Chemicals and Pollution Action Subprogramme, UNEP Regional Office for Asia and the Pacific. Remarks were followed by an Introductory Presentation by Mr. Taku Ohmura from the Overseas Environmental Cooperation Center, Japan (OECC) on the Overview of issues and opportunities of using LCS for air quality administrations and surveys.

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Understanding Challenges and Opportunities of LCS

Key presentations by Dr. Supat Wangwongwatana, a Senior Instructor of the Faculty of Public Health, at Thammasat University, Thailand, and by Dr. Alison Simcox from the United States Environmental Protection Agency (US-EPA), delved into the limitations and opportunities of Low-cost sensor technology (LCS) for measuring air quality in the contexts of Thailand and of the United States.

Dr. Keiichi SATO, Head of the Atmospheric Research Department at ACAP, in charge of the NC for the EANET, then introduced the results of a survey on a Hybrid Air Quality Monitoring Network (HAQMN) and related technical studies in five EANET countries, namely Japan, Indonesia, Myanmar, Thailand, and Viet Nam.

His presentation was followed by discussions and presentations by Ms. Karma Yangzom, a Principal Environment Specialist from the Sustainable Development and Climate Change Department, at the Asian Development Bank (ADB), on ADB’s experience with LCS as part of the Technical Assistance (TA) 9608 on “Strengthening Knowledge and Actions for Air Quality Improvement”, and by Ms. Maria-Katharina Patdu’s presentation, an Associate Programme Officer, from the Asia Pacific Clean Air Partnership (APCAP), at UNEP Regional Office for Asia and the Pacific, on air quality data challenges and opportunities in developing Asia.

While the lack of precision of LCS and the variety of qualities and standards of sensors, may lead to data misinterpretation and presentation issues, keynote speakers and panelists mentioned that the cost-efficiency of LCS and the wide use of these air quality sensors by “citizen-scientists” educate the public and inspire behavioral changes. In addition, the effective utilization of regular monitoring data for the quality control of LCS, the importance of consistent city, regional, and country-level monitoring, and the continued cooperation with other networks and international organizations, were also key points presented to mitigate the limitations of LCS.

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Download the Workshop’s Presentations

Issues of LCS and Efforts Against the Issues: Thailand’s Experiences (presented by Dr. Supat Wangwongwatana)

US-EPA’s efforts on wise use of LCS (presented by Dr. Alison Simcox)

Results of the survey on HAQMN and technical studies in some EANET Participating Countries (presented by Dr. Keiichi Sato)

Experience in using Low-Cost Sensors under ADB TA 9608 (presented by Ms. Karma Yangzom)

Air quality data challenges and opportunities in developing Asia (presented by Ms. Maria Katherina Patdu)

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For further inquiries, contact the Network Center for the EANET.

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Photo credits: All rights reserved to EANET.