Aurora & Space WeatherGeomagnetic activity in 2020
Mean Ap5.2
G1+9days
G3+0days
G50days
G1+ days by month
- January 2020
- February 2020
- March 2020
- April 2020
- May 2020
- June 2020
- July 2020
- August 2020
- September 2020
- October 2020
- November 2020
- December 2020
Nearby years (G1+ days)
69
63
53
20
18
9
27
55
51
46
97
Top 10 days by Ap
| Date | Max Kp | Ap | Level |
|---|---|---|---|
| 28 Sep 2020 | 5o | 32 | G1 |
| 31 Aug 2020 | 5- | 24 | G1 |
| 26 Sep 2020 | 5- | 24 | G1 |
| 22 Nov 2020 | 5- | 24 | G1 |
| 24 Sep 2020 | 6- | 20 | G2 |
| 27 Sep 2020 | 5+ | 20 | G1 |
| 1 Sep 2020 | 4+ | 18 | – |
| 25 Sep 2020 | 4+ | 17 | – |
| 24 Oct 2020 | 4o | 17 | – |
| 20 Apr 2020 | 5- | 16 | G1 |
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
2020 had 9 G1+ storm days (No. 94 of 95 years) and 0 G3+ days.