closer to Reykjavík, eight years before that. As elsewhere in Europe sulphur concentration is lower now than when measurements began. Average value of sulphur is about 0.5 mg/
l in precipitation, about 0.1 μg/m3 in aerosol and about 0.07 μg/m3 in air.
Stórhöfði - a seashore background station
Stórhöfði is at the south end of island Heimaey which is the largest of the Westman islands
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