October 1: Solar wind is still at elevated levels. Lovely Northern Lights expected. Best viewing times from twilight until after midnight, if condition persist. Keep an eye on the Bz value under real time space weather data below. When Bz is south, aurora gets more intense even if activity is low. At magnetic midnight (11 pm) this time of year, Northern Lights are always likely.
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Learn more: Guide on chasing the northern lights in Iceland. Rent a car or book a tour to chase the Northern Lights.
When the Bz value points south, aurora is active. Faster solar wind expands the auroral oval. Higher density leads to more colourful displays.
Record of measurements at Leirvogur for the past 6 hours.
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The chart shows 3 day forecast of the Kp-index with hourly interval
The chart shows the largest daily Kp-index value