Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 18, issue 8
Articles | Volume 18, issue 8
https://doi.org/10.5194/gmd-18-2373-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-18-2373-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 8
Model description paper
 | 
22 Apr 2025
Model description paper |  | 22 Apr 2025

CLAQC v1.0 – Country Level Air Quality Calculator: an empirical modeling approach

Stefania Renna, Francesco Granella, Lara Aleluia Reis, and Paulina Schulz-Antipa

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Latest update: 12 Feb 2026
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Short summary
The Country Level Air Quality Calculator (CLAQC) is a new fast modeling tool that predicts globally country-level monthly and annual concentrations of two major air pollutants, fine particulate matter (PM2.5) and tropospheric ozone (O3). It was designed to inform national and regional climate and pollution mitigation policies. It is easy to use and computationally efficient, allowing for the simulation of a large number of emission scenarios for policy assessments and optimization frameworks.
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