On August 2, 2026, reports concerning air quality status emerged across multiple Chilean locations, including Viña del Mar, Antofagasta, Coronel Sur, Valparaíso, Coronel Norte, and Coyhaique.
According to the provided data, Chile has experienced a notable improvement in air quality over the past twenty years, though regional inequalities continue to persist. This assessment is supported by a 2025 analysis published in the journal Atmosphere, which was developed by the University of Chile and the Center for Climate and Resilience Science (CR2), alongside other institutional contributions.
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