Spatio-Temporal Characteristics of SO<sub>2</sub> across Weifang from 2008 to 2020.

Int J Environ Res Public Health · 2021 · PMC8624775 · PMID 34831963

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a decreasing trendno p-value reported

Based on the above study, the following conclusions were mainly drawn: (1) The average concentration of SO 2 showed a decreasing trend from 2008 (92.7 ± 50.9 μg/m 3 ) to 2020 (10.4 ± 6.5 μg/m 3 ).

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