Volcanic haze and air pollution linger in Iceland after eruption

Tuesday 22 July 2025 - 15:33

Volcanic haze and elevated air pollution levels continue to blanket parts of Iceland following the recent eruption of a volcano on the Reykjanes Peninsula, authorities confirmed on Monday. The eruption, which began on Wednesday, is still active, with emissions coming from two craters.

According to Hlynur Árnason, an air quality specialist at the Icelandic Environment and Energy Agency, “large areas of the country are covered in volcanic haze.” The capital region of Reykjavík in the southwest has been marked in red on the air quality map, indicating unhealthy conditions.

"Normally, Iceland experiences strong winds that help disperse pollution," Árnason noted. "But currently, wind levels are very low, causing the pollutants to linger over the country."

Volcanic eruptions release significant amounts of sulfur dioxide, particularly in the early stages. Once in the atmosphere, this gas transforms into sulfate particles, creating a fine haze that can irritate the eyes and respiratory system.

While the emissions are not considered toxic, health officials have urged vulnerable populations to limit outdoor activities and remain indoors if symptoms of irritation occur.

A change in weather conditions could bring relief. Increased wind speeds are forecast for Monday afternoon, which may help disperse the haze and improve air quality across the affected regions.

This latest eruption marks the ninth since late 2023, highlighting the growing seismic and volcanic activity on the Reykjanes Peninsula.