The spatial and temporal variation of fine particulate matter pollution in Ethiopia: Data from the Atmospheric Composition Analysis Group (1998-2019).

PLoS One · 2023 · PMC10038283 · PMID 36961860

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an increasing trendno p-value reported

The trend in PM 2.5 concentration across different regions Based on the analysis of the presented data, the Mann-Kendall S was positive and significant at p<0.001, indicating that in Ethiopia, the annual mean PM 2.5 has been on an increasing trend over the years (1998 to 2019).

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