Articles | Volume 4, issue 2
https://doi.org/10.5194/ar-4-441-2026
https://doi.org/10.5194/ar-4-441-2026
Research article
 | 
05 Oct 2026
Research article |  | 05 Oct 2026

Dispersion normalisation method for improved long-term trend evaluation: heavy metals in ambient air in the Czech Republic, Central Europe (2010–2021)

Adéla Holubová Šmejkalová, Radek Lhotka, Hana Škáchová, and Jan Pacner

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Short summary
This research examined whether legislative measures to reduce heavy metal pollution have been effective in the Czech Republic. We analysed 12 years of data from 16 monitoring stations and used a method that reduces the influence of changing weather. The results showed that this method is suitable for evaluating long-term trends and helps avoid errors in interpreting pollution levels affected by year-to-year weather differences.
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