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Volcanic Smog From Reykjanes Eruption Triggers Iceland’s Highest Air Quality Alert

Stagnant weather is trapping sulfur dioxide emissions over Reykjavik; officials have advised vulnerable residents to stay indoors.

Overview

  • The eruption on July 16 opened a one-kilometer fissure in two craters on the Reykjanes Peninsula, sending sulfur-rich ash into the atmosphere.
  • Air quality in Reykjavik and Southwest Iceland reached the highest warning level as volcanic smog lingered under calm conditions.
  • Icelandic Energy and Environmental Authority reported that sulfur dioxide transforms into volcanic haze that can irritate eyes and airways without being toxic.
  • Residents with respiratory issues and other vulnerabilities have been urged to remain indoors and limit outdoor activities.
  • Meteorologists expect winds to increase Monday evening, which could disperse the haze and improve air quality over the coming days.