Longitudinal Trends of the Annual Exposure to PM<sub>2.5</sub> Particles in European Countries.

Scientifica (Cairo) · 2021 · PMC8683161 · PMID 34925936

Europe PMC DOI

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a negative trendno p-value reported

a positive trendno p-value reported

Since the correlation between PM and temperature particles for suspended particles in hot seasons causes a positive trend and a negative trend in cold seasons, PM particles' concentration is constant in this region.

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