2021Year 2 of solar cycle 25
Geomagnetic storms of 2021
2021 had 24 geomagnetic storms reaching Kp 5 or more, 2 of them strong (G3 or above); the strongest reached Kp 8−. Every storm with its dates, and the Kp of every day of the year.
24Every storm
2G3–G5
Kp 8−Peak Kp
27days at Kp 5 or more
The year day by day
the day's highest Kp
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Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Kp 0–3Kp 4Kp 5 · G1Kp 6 · G2Kp 7 · G3Kp 8 · G4Kp 9 · G5
Every storm · 2021
1Jan
1Feb
6Mar
3Apr
3May
1Jun
0Jul
2Aug
1Sep
2Oct
3Nov
1Dec
| Date | Level | Peak Kp | Hours at Kp 5 or more | ap |
|---|---|---|---|---|
| 25 January 2021 | G1 | Kp 5− | 3 | 39 |
| 7 February 2021 | G1 | Kp 5− | 3 | 39 |
| 1 March 2021 | G2 | Kp 6− | 6 | 67 |
| 2 – 3 March 2021 | G1 | Kp 5 | 6 | 48 |
| 14 March 2021 | G1 | Kp 5 | 3 | 48 |
| 20 March 2021 | G2 | Kp 6− | 6 | 67 |
| 21 March 2021 | G1 | Kp 5− | 6 | 39 |
| 25 March 2021 | G1 | Kp 5 | 3 | 48 |
| 15 April 2021 | G1 | Kp 5− | 3 | 39 |
| 16 – 17 April 2021 | G1 | Kp 5 | 9 | 48 |
| 25 April 2021 | G1 | Kp 5 | 3 | 48 |
| 12 May 2021 | G3 | Kp 7 | 6 | 132 |
| 20 May 2021 | G1 | Kp 5+ | 3 | 56 |
| 26 May 2021 | G1 | Kp 5− | 3 | 39 |
| 15 June 2021 | G1 | Kp 5 | 3 | 48 |
| 2 August 2021 | G1 | Kp 5− | 3 | 39 |
| 28 August 2021 | G1 | Kp 5 | 3 | 48 |
| 17 September 2021 | G1 | Kp 5+ | 6 | 56 |
| 10 October 2021 | G1 | Kp 5− | 3 | 39 |
| 12 October 2021 | G2 | Kp 6+ | 15 | 94 |
| 2 November 2021 | G1 | Kp 5− | 3 | 39 |
| 3 – 4 November 2021 | G4 | Kp 8− | 18 | 179 |
| 30 November 2021 | G1 | Kp 5+ | 3 | 56 |
| 19 December 2021 | G1 | Kp 5 | 3 | 48 |