Aurora & Space WeatherGeomagnetic activity in 2025
Mean Ap15.5
G1+97days
G3+13days
G51days
G1+ days by month
- January 2025
- February 2025
- March 2025
- April 2025
- May 2025
- June 2025
- July 2025
- August 2025
- September 2025
- October 2025
- November 2025
- December 2025
Nearby years (G1+ days)
9
27
55
51
46
97
50
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 12 Nov 2025 | 9- | 137 | G5 |
| 1 Jun 2025 | 8- | 98 | G4 |
| 1 Jan 2025 | 8o | 81 | G4 |
| 16 Apr 2025 | 8- | 75 | G4 |
| 30 Sep 2025 | 7o | 74 | G3 |
| 2 Jun 2025 | 7o | 69 | G3 |
| 13 Jun 2025 | 7- | 69 | G3 |
| 29 May 2025 | 6+ | 62 | G2 |
| 3 Jun 2025 | 7o | 60 | G3 |
| 13 Nov 2025 | 7+ | 57 | G3 |
Dates and time slots are UTC. Kp is the 3-hourly planetary geomagnetic index (0–9); Ap is the daily average disturbance. G1–G5 follow the NOAA storm scale (Kp 5- and above counted as G1). Aurora visibility also depends on weather and location. The latest values are preliminary.
About this page
2025 had 97 G1+ storm days (No. 30 of 95 years) and 13 G3+ days.