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The Science Chair: A study revealed that six Chilean cities are among the most polluted in Latin America.
Mar 13, 2025
The 2024 World Air Quality Report, published by the Swiss company IQAir, revealed that Chile has six of the 15 most polluted cities in Latin America and the Caribbean with particulate matter, ranking 62nd out of 138 countries with the highest pollution.
The municipalities included in this list were Coyhaique, Pitrufquén, Nacimiento, Victoria, Osorno, and Padre Las Casas.
Together with Fernando Mejías, science journalist and communications director of the Millennium Institute for Coastal Socioecology (SECOS), we reviewed this information, which is extremely relevant considering the approaching winter season, when air pollution levels increase.
Green Tides
In other news, Fernando told us about studies being conducted in the town of Dichato regarding the so-called green tides. Loretto Contreras, a professor at the Algal Ecology and Molecular Biology Laboratory at Andrés Bello University and a SECOS researcher, explained what these phenomena are, which affect some Chilean beaches with algae blooms, and what work is being done in the Biobío region.