Planetary Kp
A planetary index of geomagnetic activity, reported in three-hour intervals on a scale from 0 to 9.
The observatory
A small window onto current solar and geomagnetic conditions, using observations supplied by NOAA.
Observations: NOAA Space Weather Prediction Center ↗ · refreshed every 10 minutes
A planetary index of geomagnetic activity, reported in three-hour intervals on a scale from 0 to 9.
The speed of the solar wind measured in kilometres per second. The observation time is shown with the reading.
NOAA’s current G-scale status. G1–G5 indicate storm levels; G0 here means no geomagnetic storm.
These are observations, not an aurora forecast. Older or unavailable data is omitted. Kp expires after six hours; wind and status expire after two hours.