eruption
The eruption in Holuhraun, which began in August 2014, was declared over 27 Feb 2015 and two months later, 24 April 2015, the aviation colour code AVCC was reduced. For public observations of pollution in Iceland, a special registration form had been designed; available both on our Icelandic
website and here on our English
website. The questionnaire was in Icelandic but quite self
/pollution-and-radiation/volcanic-gas