Iceland, Blue Lagoon and volcano
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A large sulfur dioxide gas cloud is blowing toward Keflavík International Airport. Authorities have told people nearby to stay indoors and keep their windows shut as pollution levels rise. Despite this, flights are running normally and the airport remains open.
Iceland's Reykjanes peninsula experienced its ninth eruption since late 2023 on July 16, 2025, prompting evacuations at the Blue Lagoon and Grindavik. This latest event, deemed relatively small, follows a series of eruptions that began in March 2021 after eight centuries of dormancy.