Research Team Develops EPICC Air Quality Model for Complex Pollution Problem

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A large Chinese research team has developed an air quality model called EPICC (Emission and atmospheric Processes Integrated and Coupled Community Model) that demonstrates improved accuracy in its representations of ozone and particulate matter with a diameter of 2.5 micrometers or less. 

A large Chinese research team has developed an air quality model called EPICC (Emission and atmospheric Processes Integrated and Coupled Community Model) that demonstrates improved accuracy in its representations of ozone and particulate matter with a diameter of 2.5 micrometers or less. 

The working group’s paper is published in the journal Advances in Atmospheric Sciences on December 20, 2025. This article also introduced a new way of collaboration, where the research is credited to a "working group" as a whole instead of individual researchers.

For a long time, the development of air quality models in China has been done by individual researchers or small teams. This way of working has limited overall progress. The researchers created the "EPICC Model Working Group" credit system for the EPICC project, aiming to solve this collaboration problem. This establishes a new model of open source, shared, and cooperative development, providing a system that allows multiple teams to work together efficiently. The successful development of the EPICC model version 1.0 was a collaborative effort by a Model Working Group consisting of 59 researchers from 13 institutions, including the Institute of Atmospheric Physics at the Chinese Academy of Sciences, Tsinghua University, and Peking University.

Read More: Institute of Atmospheric Physics, Chinese Academy of Sciences

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