Changes of PM<sub>2.5</sub> and O<sub>3</sub> and their impact on human health in the Guangdong-Hong Kong-Macao Greater Bay Area.

Sci Rep · 2024 · PMC11099087 · PMID 38755236

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a decreasing trendno p-value reported

Contrastingly, in the PRD region, PM 2.5 exhibited a decreasing trend of 2.2 μg m −3 /year from 2015 to 2020, while MDA8 O 3 increased by 1.8 μg m −3 /year 30 .

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