Live data
5-Day Aurora Forecast
Night-by-night aurora outlook for Reykjavík: NOAA's Kp forecast and the hourly cloud forecast over each night's dark hours.
Forecast location
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Tonight
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Next 5 nights
Kp: NOAA SWPC 3-day forecast (3-hour bins); later nights use NOAA's 27-day outlook (largest Kp per day, less precise). Cloud: Open-Meteo hourly forecast averaged over each night's dark hours. Score: the same formula as tonight's hourly forecast. Weather: daily values.
Solar wind right now
Measured by NOAA's satellites at the L1 point, roughly 30–60 minutes before the solar wind reaches Earth.
- Kp Index
- 2
- Bz
- -2.6 nT
- Speed
- 347 km/s
- Density
- 5.5 p/cm³
- Bt (total field)
- 9.9 nT
