Aurora Forecast
Tonight's outlook
September 16: Activity is at moderate levels but decreasing. Fine Northern Lights likely tonight. Clear skies in many areas, check forecast map for your area. Best viewing times from ~10:30 pm to 03:00 am. Watch for negative Bz (south) under real time space weather data. When negative, aurora can get bright even if activity is low, especially this time of year.
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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.
Kp-index Forecast
Sunrise/Sunset
Moonrise/Moonset
Real Time Space Weather Data
When the Bz value points south, aurora is active. Faster solar wind expands the auroral oval. Higher density leads to more colourful displays.
Solar Wind Speed
Bz value
Solar wind density
Bt (total strength)
Auroral Activity
Leirvogur Magnetic Observatory
Record of measurements at Leirvogur for the past 6 hours.
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Aurora tours
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Solar Activity
Sunspots
Solar flares
Coronal Holes
Coronal Mass Ejections
Kp-index Forecast
Short-term Kp-index forecast
The chart shows 3 day forecast of the Kp-index with hourly interval
Long-term Kp-index forecast
The chart shows the largest daily Kp-index value
