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Bogotá’s strictest COVID restrictions delivered the clearest air-quality gains

Summary by News Medical
A natural quasi-experiment in Suba, Bogotá, found that more stringent COVID-19 mobility restrictions were associated with larger reductions in PM₁₀ and PM₂.₅ air pollution. The findings suggest targeted traffic and emissions controls could improve urban air quality, although ozone responses were more complex, and the results may not generalize beyond this high-traffic district.

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News Medical broke the news in United States on Monday, June 22, 2026.
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