ChartOur World in Data

Exposure to outdoor air pollution in urban areas

Annual population-weighted average concentration of fine particulate matter (PM2.5) in the air in urban areas. PM2.5 concentration is measured in micrograms per cubic meter (µg/m³). Exposure to fine particulate matter can pose significant health risks.

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Our World in Data
Updated
31 Jul 2026
Last checked
17 Sept 2026
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Data visualization: Exposure to outdoor air pollution in urban areas

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World Health Organization

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