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. 2025 Aug 1;13:1632713. doi: 10.3389/fpubh.2025.1632713

Figure 4.

Bar graph showing annual concentration and concentration after deducting sand and dust from 2018 to 2022. Annual concentrations (blue) range from around 100 to 80 micrograms per cubic meter, while adjusted concentrations (purple) are consistently lower.

The impact of dust on the annual average concentration of urban PM10 in 2018–2022.