Impact of COVID-19 lockdown on PM concentrations in an Italian Northern City: A year-by-year assessment.

PLoS One · 2022 · PMC8959169 · PMID 35344546

Europe PMC DOI

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probably not significantno p-value reported

Looking at the data gathered by the Italian National Environmental Protection System, it can be noticed that the reduction trend appears less evident after 2018, with even a little increase, probably not significant, in the PM10 concentrations in 2020.

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