I. Atmospheric Oxidation Closure Measurements and Modeling

This research direction develops comprehensive observation and modeling systems to characterize atmospheric oxidation capacity, ozone formation mechanisms, and precursor distributions in key regions. It integrates baseline monitoring, targeted field campaigns, and modeling analysis.

Key Faculty and Researchers:

· Zeng Limin — Professor-level Senior Engineer, College of Environmental Sciences and Engineering, Peking University

Specializes in atmospheric pollution monitoring technologies, with major contributions to the independent development of online monitoring instruments and integrated measurement systems.

· Li Xin — Tenured Associate Professor, Peking University

Focuses on online detection of atmospheric reactive species and transformation pathways.

· Li Shaomeng — Chair Professor, Peking University; Co-PI, PKU Advanced Innovation Center

Conducts aircraft-based measurements to investigate emissions, chemical evolution, transport, and depositionof atmospheric pollutants.

· Wu Zhijun — Tenured Associate Professor, Peking University

Studies new particle formation and growth, aerosol phase transitions, and their implications for air pollution and climate.

· Zhang Lin — Tenured Associate Professor, Department of Atmospheric and Oceanic Sciences, Peking University

Focuses on reactive nitrogen emissions and their impacts under accelerated global nitrogen cycling.

· Dong Huabin — Associate Researcher, Peking University

Engages in the independent R&D of trace atmospheric pollutant monitoring instruments to enhance domestic innovation capacity.

· Chen Shiyi — Senior Engineer, Peking University

Works on advanced measurement techniques for trace atmospheric components.

· Wang Haichao — Associate Professor, Sun Yat-sen University

Studies atmospheric measurement techniques and reactive nitrogen chemistry and environmental impacts.

II. Formation Mechanisms of Ozone and Secondary PM₂.₅, and Their Climate and Health Effects

This direction develops high-precision measurement techniques, closed-loop mechanism research systems, and integrated observation–simulation–impact assessment frameworks, forming a complete scientific innovation chain for ozone pollution control.

Key Faculty and Researchers:

· Lu Keding — Tenured Professor, Peking University

Atmospheric free radical chemistry, optical measurement, and coordinated pollution–carbon mitigation strategies.

· Yao Maosheng — Tenured Professor, Peking University

Specializes in bioaerosols, air toxicity, and health impacts.

· Song Yu — Professor, Peking University

Researches formation mechanisms of PM₂.₅ and ozone.

· Guo Song — Tenured Associate Professor, Peking University

Works on secondary aerosol formation and organic transformation pathways.

· Chen Qi — Tenured Associate Professor, Peking University

Studies oxidation mechanisms of organic precursors and secondary organic aerosol sources.

· Chen Zhongming — Professor, Peking University

Research includes aerosol evolution, free radical cycling, and VOC reaction mechanisms.

· Gong Jicheng — Tenured Associate Professor, Peking University

Focuses on air pollution exposure and cardiopulmonary health impacts.

· He Lingyan — Professor, Peking University Shenzhen Graduate School

Studies aerosol and VOC chemistry, emissions, and numerical modeling.

· Lin Jintai — Professor, Peking University

Works on satellite remote sensing, environmental big data/AI, and climate change.

· Qiu Xinghua — Professor, Peking University

Studies human exposure to organic pollutants and associated health risks.

· Qin Yue — Assistant Professor, Peking University

Works on coupled human–Earth system climate and resource risks.

· Tan Zhaofeng — Assistant Professor, Peking University

Specializes in free radical chemistry and secondary pollution control.

III. Synergistic Control Strategies for Regional and Urban Ozone and PM₂.₅

This direction develops regionally adaptive and climate-informed control strategies, supports the Dual Carbongoals, and formulates coordinated air pollution mitigation frameworks for regional implementation.

Key Faculty and Researchers:

· Zhang Yuanhang — Professor, Peking University

Urban and regional complex pollution formation mechanisms and strategies.

· Hu Min — Professor, Peking University

Sources, formation, impacts, and control of fine particulate matter.

· Xie Shaodong — Professor, Peking University

Regional air pollution management, planning, and policy assessment.

· Tan Qinwen — Dean, Chengdu Academy of Environmental Sciences

Air quality forecasting and complex pollution mechanisms.

· Hu Jianxin — Professor, Peking University

Control strategies and technical/economic evaluations for key trace pollutants.

· Dai Hancheng — Tenured Associate Professor, Peking University

Climate and environmental policy optimization and pathway assessment.

· Huang Xiaofeng — Professor, Peking University Shenzhen Graduate School

Ozone and SOA mechanisms, black carbon climate effects, and control strategies.

· Wang Qi — Professor, Peking University

Regional atmospheric management and development pathways.

· Wang Xuesong — Associate Professor, Peking University

Secondary pollution chemistry, transport, and source apportionment.

· Liu Mingxu — Assistant Professor, Peking University

Earth system and chemical-climate model development.