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Aurora Webcam Watch

Expert panel

Real-time solar wind (L1) and Kp. Aurora strengthens when Bz turns south (negative) and speed rises.

Latest valuesTimes are shown in your local time zone.
Bz
Bt
Total field strength
Wind speed
Density
Kp
1-minute estimate

Measurements at L1 reach Earth in roughly 30–60 minutes.

Bz (nT) · Bt (nT)

Last 24 hours
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Speed (km/s)

Last 24 hours
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Density (p/cm³)

Last 24 hours
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Kp (1-min estimate)

Last 24 hours
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Hemispheric power (GW)

Last 24 hours
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3-day Kp forecast

Next 3 days
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  • Observed
  • Estimated
  • Predicted
  • G1–G2 storm (Kp 5–6)
  • G3+ storm (Kp ≥ 7)

Bar colour: data type; Kp ≥ 5 (G scale) in orange/red.